There’s no various other topic as hotly discussed in eMTBing as die motor. That said, there’s so little point considering die motor in isolation. These days, every einzelheiten of ns complete system plays a role bei its performance and your suffer while riding. We tested eight des the hottest elektronisches fahrrad motors des 2021.

Du schaust: E-bike motor test

Before we get into the review, we would like zu tell you about our latest publish edition. The E-MOUNTAINBIKE Print ausführung 2021 ist our fourth annual edition und the ultimate guide in your search weil das the perfect eMTB. Spread over 260 pages des high-quality print, us offer sie a comprehensive buyer’s guide, reviews und details of 35 bikes and a kopieren, gruppe test of the 8 most amazing motors. You’ll also find many advantageous tips and a guide to the most exciting eMTB patterns – all of this is wrapped in a high quality print format. Click here zum more info or order the directly an our shop!

If you’re looking zum a quick and simple prize as kommen sie which ist the finest motor, we schutz to disappoint you now: there’s no longer just one ideal motor. With die latest developments bei ebike motors und batteries there room lots des systems suitable for different e bike concepts und rider demands. It’s zum this factor you kann sein no longer ask which is the ideal motor, however rather have to think about which ist the most suitable system zum you.

You’ll find everything native low-power minimalists kommen sie heavyweight powerhouses. However, besides the motiv itself, die complete system zu sein a sum of its integration, ergonomics, a sensible battery solution, die ability zu customise assistance modes und of prozess the size und weight von the motor. Ns complete concept and its implementation is what problem most. What’s the point of having ns most powerful motor if it only unleashes that full stärke at too high a pedalling cadence, where you tun können never really do use of it? What’s ns use von natural feeling aid if using the motor isn’t intuitive because des poor integration and ergonomics? With neu motors like ns Specialized SL 1.1 or die Shimano EP8 and bei ever-growing number des in-house developments, practice solutions and motor models, ns market has actually branched out an so numerous ways that it’s become impossible zu make one-to-one comparisons. So, this time there will be no Best in Test. Instead, we’ll give you in overview des the most vital players bei the market und figure out the pros und cons von each system and what they’re finest at.

A good motiv forms part des a seamlessly integrated system, perfectly suitable to the bikes intended use.


The motors

In this motor kopieren, gruppe test, we want to introduce freundin to the most relevant and innovative motors easily accessible on the market. Zu do so, we tested eight des the hottest motors, putting them v their paces bei every imaginable scenario. Larger or less usual motors like die Shimano actions E7000 or the alt Bosch power Line CX oase already to be tested by us thoroughly in the past, deshalb we intentionally chose not to encompass them here. You tun können find our previous reviews and test reports of these motors on our website www.halfpeeledapple.com. Together a result, us were able kommen sie focus on ns newest and best motors currently obtainable from Bosch, Yamaha, Shimano, TQ, SACHS, FAZUA and Specialized. Die motors from brands such as Panasonic, BAFANG und Polini are hardly ever seen on in eMTB. They stay a niche segment with minimal relevance in today’s market, which ist why castle don’t function here either.

ManufacturerModelTorque Motor weight (kg)
BoschPerformance line CX (Click weil das review)852.79
BroseDrive S mögen (Click for review)902.98
FAZUARide 50 Evation (Click zum review)551.92
SACHSRS (Click zum review)1103.66
ShimanoEP8 (Click for review)852.57
SpecializedSL 1.1 (Click zum review)351.95
TQHPR 120 s (Click zum review)1203.90
YamahaPW-X2 (Click weil das review)803.06

*Attention! don’t become auch fixated by the quoted weights – the motiv weight ~ above its own tells you relatively wenig about the total weight of the system or complete bike. Assorted other factors, including die mounting and integration von components, extr hardware and the battery schutz a large influence on ns total weight.

Other electric motors we’ve tested lately: Bosch performance Line CX 2019 (Click zum review) | Brose Drive s Alu (Click for review) | Panasonic GX 0 (Click for review) | https://halfpeeledapple.com/en/shimano-steps-e8000-2020-review/”>Shimano procedures E8000 (Click zum review) | Shimano steps E7000 (Click zum review) | Yamaha PW-X (Click weil das review)

Which motor zu sein most powerful?

Glancing at die table above, you’ll immediately seen some significant differences in the power and torque output von the different motors. Ns Specialized SL 1.1 ist one des the weakest, generating a mere 35 Nm torque, whereas die most an effective motor, die TQ HPR 120 S, is capable of generating three and a half times that. This is von no means in indication von how great or how bad either von those motors is. Instead these differences are die result von completely different concepts: die compact FAZUA ride 50 Evation und Specialized SL 1.1 motors belong zu a category of light eMTBs which offer minimal assistance an a lightweight package – this are die motors that wollen make analog hill bikes redundant. The Bosch performance Line CX, Yamaha PW-X2 und Shimano steps E8000 electric motors represent ns all-rounders. The Brose Drive s Mag deshalb belongs bei this category of eMTBs, though it ist noticeably an ext powerful than ns Shimano or Bosch, permitting you to get up die climbs nur that little bit quicker. Both die TQ and SACHS motors are also faster uphill, through over a 100 Nm speak on offer. However, built around these system tend kommen sie be heavier too, having to be suitable with components that are more robust und requiring a larger battery. This bikes room designed less for aggressive trace riding than for having as viel fun as feasible with preferably power.

We think that, if you’re not going zu use all the energie available to you, you shouldn’t bring around die unnecessary added weight requisite zum that kind of performance.

On die limitYou tun können learn a last about a motiv on forest service roads but notfall everything. Our head tester, Felix, had zu take die bikes to ns extremes to find out what they’re truly qualified of.

How viel power do freundin really need?

It’s an essential to klasse that die best motor kann only ever be as an excellent as the bike right into which it’s built. As well as that, the motiv has to be considered in relation to ns battery capacity. There’s no usage having die most powerful motiv if you’ve got to ride her bike in Eco mode nur to be able kommen sie reach your destination.


To far better understand the importance des this question, we carefully analysed the feedback from our leader survey, including säule from over 13,500 participants. We found that just 5% of our readers predominantly use your ebike’s most powerful support mode. 57% spend most of their time riding bei the an ext frugal Eco or tour modes. Us think that if you’re notfall going to use the stärke available zu you, sie shouldn’t be carrying about unnecessary weight. That means that zum a majority des these 57% , a weaker yet lighter motiv with a smaller battery zu sein likely the better selection than a powerhouse like die SACHS.


According to our reader survey, a bike’s dealing with on the trail is the most essential criterion when shopping for a new eMTB. Again, smaller und lighter systems have the top hand in this regard. However, if you want kommen sie shuttle up the climbs to get in as countless descents together possible an the short amount des time you oase available after ~ work, the lighter, less powerful system (Specialized SL 1.1 und FAZUA journey 50 Evation) will definitely oase you functioning harder than you would top top one von the all-rounders. Here, die Shimano EP8 shines with its flexible assistance levels. If the paired v a smaller sized battery it ist able to combine the motor power of in all-rounder with ns handling of a light eMTB.

If they are thoughtfully integrated and matched with in appropriate battery solution, ns classic all-round motors can deshalb deliver great handling and lots von fun on the trail. However, the best all-rounders native the likes of Bosch, Brose und Shimano aren’t limited zu aggressive follow riding or fast after-work rides. They perform just as fine on lang rides as execute on your daily commute. Die bikes in this category so allow you to pull a trailer or tackle multi-day adventures v racks and panniers.

Full speed ahead?In Turbo mode, you kann fly over die trails on her after work ride. However, ns software has to deliver ns motor’s power gently if you want to stay an control an wet und slippery conditions or on loosened ground.

The SACHS RS und TQ HPR 120 s motor, as uncovered on Haibike’s FLYON range, are bei a league of their own. If sie want to fliegen up ns climbs und ride as schon fast as possible with minimal effort, or freundin simply choose having die most powerful motiv available, these are the modell to inspect out. Note: an effective motors need a lot of electricity, so they need a correspondingly large und heavy battery. Just as freundin would if sie put your fuß down an a Porsche GT3, you’ll simply oase to stop und refill/charge often.

Ultimately, it’s a question des personal preference. How much or how little power do you really desire (or need)?


Tuning elektronisches fahrrad motors

Tuning eMTBs continues kommen sie be a hotly disputed topic und a lot of eMTBers room enticed by the thought. Even if it is on your commute or fast after-work ride, a last of freundin would like zu go much faster than ns legal limit allows, which zu sein 25 km/h in Europe and most other countries. Of course, you can ride in eMTB faster than 25 km/h, as long as you’re fit enough. However, you’ll no longer be supported von the motor und will schutz to rely solely on die power of your legs. As a result, tuning tun können seem like an obvious solution weil das less fit or ambitious riders. Some motors kann sein easily be tuned via an app, or depending on ns make und model, you tun können even buy one-of-a-kind hardware the manipulates ns signal des the rate sensor. Many riders think these procedures make their ebike more powerful. However, that’s notfall the case – that simply permits you zu ride faster. The motor continues kommen sie provide aid above the 25 km/h threshold, which renders it possible kommen sie achieve speeds von up kommen sie 35–40 km/h on level terrain. Tuning renders no difference weist all top top steep climbs where freundin wouldn’t reach the 25 km/h threshold anyway.

Enticing together it might be, we strongly advise versus tuning her ebike. Illegally circumventing die 25 km/h border isn’t a unbedeutend offence and can schutz dire consequences. Legally speaking, bei Europe tuning in eMTB deswegen that it offers assistance over 25 km/h method that it is classified together a motiv vehicle quite than a bicycle. Correspondingly, just like motiv vehicles, freundin would be compelled to schutz insurance und a steering licence. Except that, making these kinds des unauthorised transforms to bei ebike ist already taken into consideration a criminal offence in most european countries in itself. Frankreich has recently presented anti-tuning law with fines des up kommen sie € 30,000 und two years imprisonment for e bike tuning.

On top von that, if sie don’t schutz motor vehicle insurance zum your tuned ebike you can incur significant debt bei case of an accident that continuous insurance doesn’t cover. Wie man you tune your bike, you deshalb void ns warranty on die motor and battery. Also if freundin detune her bike before sending it bei for a guarantee claim, manufacturers möchte be able to tell whether you’ve tinkered with ns hard- or software. We can only recommend that sie stay far from tuning. It’s just not worth ns risk.

The battery doesn’t just influence die range von your eMTB

Generally, the battery zu sein one von the most heavy components von your eMTB. Because of its weight und where it’s positioned on die bike, that doesn’t nur determine your range, it deshalb has a significant impact ~ above handling. Ns motors we tested kommen sie with batteries with capacities ranging all over from 250 Wh kommen sie 1250 Wh. Together with die motors themselves, there space a last different viewpoints manufacturers can take here. Note: never ever think des battery capacity in isolation but deshalb consider how stärke hungry the motiv will be. Below we’ve summarised die most common battery ideas currently in use.

Standard: … bei internal or external battery v a volume ranging between 500–750 Wh.


Mini: a smaller sized battery method less weight may be a an excellent match for a less an effective motor. FAZUA take this principle to ns extreme through their 252 Wh battery, die lowest capacity in the prüfen field. However, they’re notfall the just ones, with smaller sized 320 Wh Shimano systems such together those found on eMTBs from emphasis too. Specialized’s SL 1.1 motiv has to make execute with as wenig as 320 Wh.


Modular: through this system, you can increase your total battery capacity with the help of in external variety extender. Weil das example, Bosch’s DualBattery system kann give you a gesamt capacity von up zu 1250 Wh. Modular systems such as these are also available weil das Yamaha or Shimano motors, though they room offered über third party providers. Specialized make a at sight compact 160 Wh external battery pack weil das their SL 1.1 motiv which fits into a bottle cage.


Modular battery systems offer a lot of flexibility und can typically be retrofitted weist a danach stage.

Which battery system ist right weil das me?

To enable you kommen sie make the most von your ebike without having actually a negativ impact on die handling, ns battery have to be as small as possible und as huge as necessary. The question you have to ask yourself here is how, where and how lang you want kommen sie ride her eMTB on a continual basis. Freundin should also consider what the elektronisches fahrrad charging infrastructure at your neighborhood trails zu sein like und which battery system you prefer. We’ve noticed that a last of eMTBers are exceptionally scared des draining their battery when they’re out on ns trails. Because von this, most of them resort to bigger batteries or dual battery system which castle don’t actually need. According zu our leader survey, ns length von your rides normally ranges bolzen 30 and 50 kilometres. Top top a ride of that length, the majority des you won’t empty a traditional battery. If you predominantly use your eMTB zum quick after-work rides, a mini battery will allow you kommen sie ride your bike full-throttle for in hour and after a quick but extreme session, you can enjoy a well-deserved beer. If you enjoy longer, leisurely morning or afternoon rides, you’ll usually gain along perfectly v a typical battery. Modular battery systems such together Bosch’s DualBattery ist only ever vital on very lang rides or multi-day adventures with few or no charging stations in between. However, doppelt battery systems also offer one big advantage, permitting you zu add capacity at a danach stage. So, if you’re dreaming von doing a much longer ride in the future, probably crossing ns Alps, sie always schutz that option and you’re totally flexible.

Ebike motiv integration

The topic of integration is becoming ever much more important for eMTBs. Just a few years ago, eMTBs blieb looked like DIY tasks with ns battery and motor bolted to ns down tube choose they were in afterthought. Fortunately, a lot of progress has actually been made concerning both looks and functionality. We’re seeing more und more brands integrating die battery und hiding that inside die down tube. Through Bosch und FAZUA systems, sie can still remove incorporated batteries from your eMTB. With various other motors, ns battery ist sometimes non-removable, an interpretation you’ll have to bring the bike zu a stärke outlet to charge it. If sie don’t oase a plug near your bikes, this might be something kommen sie keep bei mind.

SexyThe ideal motors offer bike manufacturers the freedom zu integrate the motiv seamlessly into the frame, as exemplified by the ROTWILD R.X 750

Most motors on ns market have also become much more compact, allowing manufacturers to seamlessly incorporate them into ns frame. It’s ns same zum the speed sensors, displays und remotes, jetzt more securely integrated or enclosed to die bike, making castle safer und more secure an the event von a crash.

Which display und remote are best?

The display and remote options range from minimalist options all die way kommen sie full-fledged command centres. Zum Bosch, FAZUA and Shimano systems, cycle brands have to resort to ns motor’s traditional remote und display. In contrast Yamaha, TQ, SACHS and Brose provide bike manufacturers the freedom to design their own solutions. The said, the likes of Shimano or the SIGMA EOX system combined with ns SACHS motor, carry out a range von options, enabling customers kommen sie mix und match plug und play components zu customise the cockpit to suit angestellter preference. Specialized so allow you zu customise die cockpit, utilizing their very own Turbo affix Unit (TCU) or feuer new Mastermind integrated into the top tube. In terms des connectivity und navigation, various other manufacturers are ultimately coming up. V the new Nyon, Bosch have integrated a large und innovative hyperplasia system into ns eMTB display. Communication betwee the motor and smartphone is a typical feature weil das almost every systems. However, the functionality of associated apps arrays from basic route tracking all die way zu tuning motiv settings escape on the motor und manufacturer.

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There is lots des room zum improvement across ns board concerning connectivity und navigation. We’re yet to encounter a usable navigation feature top top one des the standard displays. Escape on ns motor and bike brand, there room apps zum everything from ride tracking kommen sie fine-tuning die assistance des the motor.

Despite die range des display choices available, eMTBers blieb have kommen sie contend through three major issues. Often, ns remote is so difficult kommen sie reach or so bulky that it compromises die other controls on her bars. Ns display or ns remote are often deswegen exposed the they’re prone kommen sie get damaged the moment you take a tumble. Ns display i do not care unreadable bei the glare von direct sunlight.

Motor software and hardware schutz to be bei sync

Power ist nothing without control. Ns most an effective motor zu sein no usage if you can’t regulate it, if it proceeds pushing long after you’ve stopped pedalling, if the engages violently or if the doesn’t react quickly wie you acquire on die pedals. The motor should engage conveniently yet smoothly, especially when pulling away or an response zu changes in cadence, offering enough assistance zu be des use there is no jerking sie forward. Ns feeling des the motiv depends on three hauptsächlich factors: die hardware, ns software and the personen riding die bike through all their irregularities and variables bei pedalling cadence und stroke.

Motor software influences ns ride feel

If you’re reasoning that a natural ride feeling imitates die feeling von riding in analogue hill bike, you’re wrong. If the were the case, the motiv would communicate instantly as you push down on die pedals and cut the end abruptly as quickly as freundin stop. V the motiv multiplying her power, that would be specifically noticeable on the climbs with abrupt acceleration and deceleration. If sie rode bei tricky topographisch where you have to time your pedalling kommen sie avoid trimming your pedals the motiv would cut out immediately leaving you straddled on ns obstacle. Pulling far on bei incline or on loosened ground would also be extremely daunting with dafür much energie delivered all at once.

Since testing protocols give manufacturers a last of freedom an their interpretation of data, sie can’t constantly compare die specs of different motors.


It must be evident that just making the motiv engage und disengage v your input is a much cry from natural-feeling assistance. That takes smart software to smooth out the transition betwee man und machine powered riding and to achieve harmony and the most herbal experience on ns bike. It ist this harmony that us refer to when us speak around natural drive feel. This way die motor’s aid engages clear and an a managed way, and disappears almost imperceptibly wie you prevent pedalling or reach the 25 km/h limit. Instead of cutting the end immediately, the motiv should modulate the output wie you stop pedalling, fading out gradually as if you’re rolling zu a halt. Natural feeling aid shouldn’t in reality be something you feel unless freundin pay attention kommen sie it, which nur wouldn’t be ns case with surges power und sudden cuts bei assistance.

Support modes

All motors have different assistance modes kommen sie choose from, provided as a percentage des assistance loved one to ns rider’s energie input. With 410 % assistance bei its greatest mode, the Brose journey S wie motor puts out around four times that what the rider setzt in. Depending on die motor, you kann get help from 50 % kommen sie over 400 or also 500 %. Die more support modes you kann choose from, the more finely you kann sein adapt die assistance kommen sie suit ns situation. An Eco mode, you kann sein extend die range, or you can select best assistance zu get up those steep climbs. Ns power of the assistance mode freundin select has actually a large influence on the ride feel.

Smart support settings are able to recognise the riding situation you’re in and adapt support accordingly.


The motiv will commonly feel much more natural kommen sie ride an Eco mode with minimal assistance than the does in the highest possible support mode. Smart modes the dynamically adapt to the situation feel the most natural und intuitive to use. Thanks zu integrated sensors, the system is able to recognise whether you’re pedalling gently or cranking on die pedals, adapting the support zu match her effort. Ns more effort sie put in, die more assistance the motiv provides in response. Clever modes such as these almost make it unnecessary zum you to shift betwee modes manually. Bosch’s gradual eMTB mode adjusts die assistance betwee Tour (140%) und Turbo setting (340%), depending on ns amount of force freundin put on die pedals und the situation you’re in. Ns assistance constantly feels exactly right, moving enough power while continuing to be smooth and easy to control: it’s die best steady mode at this time on die market! Yamaha’s smart mode includes dünn from sensors the detect ns incline you’re on und always it is intended a perfect amount of assistance, though it doesn’t feel as herbal as Bosch’s eMTB mode. Shimano’s trace mode ist great too and it’s able zu go also lower with the assistance than ns Bosch motor, adjusting support bolzen the weakest Eco und most powerful Boost mode.

Since testing criteria provide manufacturers a gewächs of freedom an their interpretation des data, you can’t always make a straight comparison between the specs des different motors.

Power and ControlA powerful motiv has zu be easy to control und good-natured. This permits you kommen sie keep the front wheel on die ground – if you want to.The motiv tune chosen von bike manufacturers can be a deciding factor

A bike’s ride feeling isn’t dependent solely on the motiv system, but deshalb on the bike right into which it’s built. Various full-suspension bike designs offer major differences in pedalling efficiency. Part rear suspension bobs remarkable as freundin pedal, soaking up energy instead des it being transferred to ns wheels. Other suspension kinematics kann sein offer significantly much better efficiency. Together a result, also if they have the exact same motor, no two bikes möchte feel alike. Contents such as die tires and wheels or die drivetrain and it’s gear ratios can also affect die ride feel von the motor. Of all die components, ns length des the cranks kann have a specifically noticeable impact on die ride feel des the motor. We recommend a crank length betwee 160 and 170 mm weil das trail riding.

ExemplarySpecialized are leading die charge in all sachen integration und customisation. With the help von the pflicht Control app, you tun können tune die settings des the motiv without breaking any type of laws.

We noticed ns biggest differences in the characteristics des motors wherein bike manufacturers room able zu tune the motor themselves. Brose, Yamaha, SACHS and TQ provide bike manufacturers a last of freedom an customising ns number von support modes, die percentage assistance of each und how ns assistance kicks bei and cuts out. Some bike manufacturers succeed much better 보다 others bei doing so. Case in point, in many bikes ns Brose journey S wie delivers a organic ride feeling that just isn’t present bei others. Here, the bike manufacturer’s software program settings oase a significant impact on just how the motiv handles.

All ns important elektronisches fahrrad motor specs hinweisen a glance

We frequently look at die specs von eMTB motors, but freundin won’t yes, really be able kommen sie tell how a motiv ultimately feeling on ns trail simply über looking at this data. Rather it serves together a unstable indicator von potential performance. Besides die motor’s mechanical output numbers, what it frequently comes down zu on die trail zu sein the software settings, just how noisy die bike is, pedalling cadence and the pedalling resistance.

Nominal power, torque und capacity explained

The energie output of in eMTB motor is given an watts. Ns average energie output, the so-called in the name power, ist not allowed kommen sie exceed an average output of 250 wie over a period of 30 minutes, together stated by the law in the EU and several countries outside von the EU. Follow to the manufacturers of the electric motors we experiment here, they every fulfil this standard. The Specialized SL 1.1 motiv produces 240 W, providing ns least output von the motors we tested. The others schutz a optimal output two-, three- or sometimes even four mal that.

Torque output zu sein given an newton metres (Nm), which describes ns amount of rotational force ns motor ist able zu generate. The strongest motor in the prüfung field zu sein the TQ, able zu produce 120 Nm. All die motors space powered von rechargeable batteries of different sizes. The range counts on that capacity und how viel electricity the motor consumes. Battery capacity or the “size” von the battery is given bei watt-hours (Wh). A 500 Wh battery would belastung 2 hours if it had to stärke a motiv that was constantly illustration 250 W. Weist least, that’s die theory. In practice, you also have kommen sie account zum losses in efficiency of various components, dafür the battery zu sein unlikely to last two hrs as energy is dissipated elsewhere an the system.

InconsistentDepending on ns software tune, die same motor kann sein feel totally different bei bikes from different brands.How according to is an ebike motor?

The amount des noise the motiv makes has in impact on the ride quality. A quiet motor zu sein much more pleasant on the trails und can help kommen sie emphasise a herbal ride feel. Along with die humming of the motor, there can deshalb be other noises besides, such as freewheel device inside the FAZUA motiv which zu sein clearly audible as it engages. Due zu variability und tolerances in manufacturing, motors von the exact same make und model kann sein occasionally sound really different. Ns metallic rattle coming from die inside des Bosch, Shimano and SACHS motors is very loud und present on some models and barely remarkable on others. Brose motors so tend to vary rather a bit bei the noise lock make. Part you’ll hear only quietly in the lift while rather are more conspicuous.

However, it’s not only the motiv but deshalb the entwurf of die frame that kann have a significant influence on exactly how loud the motiv is. When a motor tun können be really quiet bei one bike, humming gently as sie ride, it kann sein be unpleasantly loud in the frame of a various eMTB, where die tubeset seems zu amplify ns noise.

What cadence does an ebike motiv ride finest at?

Your pedalling cadence has actually a straight influence on ns motor and how well it’s able kommen sie assist you. Every electric motiv has in optimal pedalling cadence range in which it’s able zu perform most efficiently. Relying on its construction and internal gearing ratios, a motor might be better able to perform punkt higher or reduced rpm. A good motiv should it is in able to cope with fluctuations an the rider’s pedalling cadence and perform fine over a broad band without lacking energie at either extreme. Die Yamaha PW-X2 performs better punkt a sluggish pedalling cadence than any other motiv we tested, delivering full power from die get-go. Bosch’s performance Line CX motor isn’t auch bothered über fluctuating cadences either, performing repeatedly throughout.

How much pedalling resistance does in ebike motor have?

Your battery zu sein empty und the motor ist off. Jetzt what? As soon as you go over die 25 km/h help limit or the motor zu sein off, you’ll be confronted with die motor’s interior resistance. Ns resistance counts on die motor’s construction and the internal gearing, which ist required zu convert the motor’s high rpm to ns slower speed des the chainring and cranks. Thanks to efficient services like the FAZUA ride 50 drive 50 Evation, devoted SL 1.1 and the belt-driven Brose drive S wie motor, you’ll hardly notification any extr drag here. On die other hand, there ist a noticeable amount von drag with Yamaha and SACHS electric motors the augenblicke they stop offering assisting.

PowerhouseSome motors an the test field are much more powerful 보다 Finlay’s Suzuki Ignis. He clearly enjoys ns wind in his hair.

What renders a great motor?

In a nutshell: a motor zu sein good if the system as a totality including the battery, integration, stärke output and ride feel suits die bike right into which it’s built. Together we all usage our eMTBs weil das different things and ride them bei different ways, ideally you want kommen sie be able to adjust and tune the motiv to suit your preferences, one of two people doing it yourself or having actually it done hinweisen your dealer. Shimano und Specialized lead ns way in this regard. Through these motors, die customer is given a last of options zu configure the remote und display die way they prefer and tune the support modes via in app. FAZUA go one action further when it come to motor setup. Alongside the usual adjustments, the apps can indicate recommended settings based on questions about ns rider und type des riding they wollen do.

A an excellent motor ist part von a seamlessly integrated system und perfectly suited zum the bike’s intended use.


This is particularly intuitive and quick kommen sie understand, yet it’s precisely this kind of customisability that provides it deswegen difficult to compare motors. The becomes even an ext apparent wie bike manufacturers build their own batteries, displays and, most des all, their own software and firmware. It’s a nice bonus if the motor features a progressive clever mode, though it isn’t a must. Bosch show how it’s done v their eMTB mode, which zu sein easy kommen sie control und always offers ns right amount von assistance whatever ns situation.


Haibike’s FLYON selection featuring the powerful TQ motiv comes v a 630 Wh battery. If you’re looking for a lot of power and you tend to keep your rides short, this zu sein a great motor. However, you’ll run into problems if sie want to go on much longer rides unless sie resort zu using the energy-saving but also weak Eco mode. Specialized’s SL 1.1 motor ist at the other extreme of the spectrum. The is in excellent concept zum fit and aggressive riders who room looking zum natural dealing with close kommen sie that of an unpowered bike thanks zu its modular battery system, compact dimensions, short weight. However, die low power output way this is not the bike zum those who want that eMTB-superman feeling on the climbs. As you can see, how freundin use her eMTB und how the system performs as a whole zu sein the decisive factor here.

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So, which zu sein the best motor?

There zu sein no longer just one ideal eMTB motor. Ns market has actually become auch differentiated und on account des the numerous variables und customisation options, there’s no way von rating ns different motors bei isolation either. The best motor ist only as great as ns bike into which it’s built. If the fundamental concept von the bike doesn’t work, even ns best motiv won’t be able kommen sie transform it into a great eMTB. Think carefully about when, how, und where you want to ride. Once you’ve figured that out, we’ve compiled bei overview on the following pages to zeigen you i m sorry motor ist most suitable weil das you und your talk style.

All motors bei this comparison

Brose journey S mögen | Bosch power Line CX | FAZUA journey 50 Evation | SACHS RS | Yamaha PW-X2 | Shimano actions E8000 | Shimano EP8 | TQ HPR 120S | Specialized SL 1.1