Wait, 23-27kms? You can display way more metrics on it too, and battery is usefully displayed as a percentage. This means its impossible to tell whether you have 21% or 39% battery remaining. Shimano's EP8, short for DU-EP800, features a higher maximum torque of 85Nm compared to the older E8000's 70Nm, topping it by an extra 21%. Currently, I own two e-bikes with a new 2022 Moustache Samedi 26 Fat 4 with the Bosch Motor on its way. Any rider who owns an ebike with an EP8 motor fitted with e*thirteen cranks currently has two options. Those Merida ebikes ride quite good too. As it stands, you have to use the small button at the base of the display to manually scroll through additional pages just to see your cadence, estimated range and the time. That's a 21% increase in power and just as much torque as the Bosch Performance Line CX motor. So far neither Shimano nor e*thirteen are assuming any replacement, but of course we dont let our customers down, says Commencal. Come join the discussion about bike parts, components, deals, performance, modifications, classifieds, trails, troubleshooting, maintenance, and more! Along with the new EP8 motor, Shimano has also released a larger 630Wh battery, which seems to be the most popular option at the moment youll find it inside both the Canyon Spectral:ON and Merida eOne-Sixty. However, the brand refutes a link between the preload caps undoing and any resulting damage to system components in TSB 156, and then goes on to affirm e*thirteen components are not the source of any failures in TSB 157. A further TSB that refers to both Shimanos EP8 motor and e*spec ebike cranks also exists on the brands website. On the trail the tone of the clack is a little deeper than the EP8 drive unit, but the cause is the same. That is not the case, but all cranks should be checked for proper tightness before riding, and initial installations procedures should be updated, reads TSB 156. A kilometre later that estimation dropped to 14km, then not long after to 9km, then to 5km, before the motor automatically switched into emergency limp home mode. And compared to E8000, the new EP8 motor is considerably more powerful on the trail, whilst retaining the smooth and intuitive delivery that weve always dug about Shimanos drive units. I'm honestly flabbergasted that people complain about it tbh lol. Anyone having problems with the charger? They must be under pressure to deliver units as this is at best rushed. Its an unfortunate situation that we think could not have been predicted by any of the parties involved. According to the TSB, only Shimanos EP8 motor is affected. Sometimes that means a DIY fix and other times it can mean a recall, software update or part replacement by a dealer. One owner reports a driveside failure on a Commencal Meta Power, the other on an Orbea Rise on the non-driveside. Having spoken with other long-term EP8 and Bosch Gen 4 users, it would appear that for many riders its a non-issue. It features the new Shimano EP8 motor and a 630wh battery. If there is no threadlocker patch, move onto point 2c. Meanwhile, e*thirteens response places the ball firmly in Shimanos court. "While we dont expect people to ride with their phone on their handlebars when mountain biking" - Buddy, you must not have seen many e-bike riders. I've never heard the rattling noise that has been posted in the early reviews - the motor is super quiet, so it looks to me like much ado about nothing. We bought drive units and crank arms, we are replacing at our cost all damaged parts and are covering labor [and] shipping costs that might occur. Do you think it could be only an issue with Carbon frames then? The Fora platform includes forum software by XenForo. Along with the fault-free performance weve experienced so far, wed have no hesitation in recommending a bike built around Shimano EP8 this is a high quality and well-rounded e-MTB system. So this one article, about this one e-bike, says to you that ALL e-bikes lack refinement and therefore aren't worthy of you gracing them with your holy ass? Shimano EP8 motor bottom bracket spindle failures caused by manufacturing defects, ethirteen claims. Rattling and lack of update to the battery monitoring is a no go for me, I would just upgrade the battery to the new 620s if i could fit it. The updated Trail mode is brilliant, and the option to fine-tune each assist mode is a welcome feature for achieving the desired feel while maximising range. Can I give 100 upvotes please? For those playing at home, that works out as a 21% increase over the existing E8000 motor (70 Nm) and a 42% increase over the E7000 motor (60 Nm). They deemed it a warranty and the motor has failed. Have had my Norco Range LVT with the EP8 for a week and have noticed the noise, maybe once? For a lighter pedal feel than the E8000, the one-way bearing has reduced its rotational resistance, creating a free play. Thats given us plenty of saddle time to compare and contrast the new motor not only with E8000, but also with the latest Bosch Gen 4 motor and the Brose-manufactured 2.2 motor in the new Specialized Levo. Yesterday I drove down south to explore some new trail in Utah. Its a little different though, with Orbea detuning the motors power and assistance to improve efficiency so it can use a smaller and lighter 360Wh battery. Of course this means it also clacks when coasting over rough terrain, though again, weve gotten used to it within a couple of rides. @tomdesoals: That excuse that Shimano put out by their customer service dept . There's 21-percent more torque (85 N/m total) in Trail and Boost modes. Theres still a whirring noise from the metallic gears inside, and the pitch increases slightly at higher cadences. Bikes sent in for testing are usually carefully prepared by brands to pick up any assembly issues, and then are checked before testing by in-house mechanics or the testers themselves. Now I have $10k garage ornament that I can't ride for 3 months. I think we lost grit when we all got smart phones. Basically any minor impact that causes the chain to bounce and tug at the chainring will result in noise. For a mechanic, mechanical noise is a no-no by the end of the ride Id be destroyed mentally! Power less, battery smaller, it lighter is.. Would "every time you push the on switch" have been more understandable? The lighter weight is a big plus as well. What would happen if a consumer noticed their axle was cracked in the way described on e*thirteens TSB? Lapierre e-zesty. There is zero stickiness at the pedals that we could detect. My Bullit died after 80 miles - same symptoms you describe. It's significantly more muscle, which was much-needed in order for Shimano to keep . But on the premise of further, faster, more fun, that range at full noise is not gonna outdo the range & fun I get outta my bowl of cereal and some old fashion pedal power. Simply named by Specialized as the 2.2, the motor continues to offer 90Nm of peak torque, and externally it has the same mounting points and overall shape. That just isn't real world riding though, you just don't spend all your time in boost mode. Along with the svelte carbon frame, that helps to reduce the total bike weight to as low as 16.2kg, creating a potentially worthy adversary to the Specialized Levo SL. Regardless ebike or "normal" MTB. The lowest setting sees the motor responding slower to your pedalling inputs. Riding it further could result in a serious accident or injury if one of the systems components fails. It is MUCH less powerful, but there is no rattle, no weird cut off, no jerky pedal action. There are no reported cases of spindle breakage of DU-EP800 when assembled with Shimanos cranks. This reduced the tendency for the front wheel to lift on really steep tech climbs. The brand suggests EP8 owners should inspect their motors spindles for damage or cracks originating from the drilled hole used for the pedal crank retainer hook, located on the splined portion of the axle. The reported cases of drive unit spindle breakages on our DU-EP800 drive units were combined with non-Shimano cranks. The new EP8 drive unit provides incredibly quiet assistance under pedal load. A forum community dedicated to Mountain Bike owners and enthusiasts. To replicate field failures, we had to look outside of the required ISO and EN testing requirements as those tests were passed successfully. Overall it is a very refined system though. However, you do pay for all that refinement and integration. Overall the tuning adjustments are quite noticeable, though wed always recommend only adjusting one parameter at a time to isolate its effect on the trail. If the magnet and steel nipple aren't aligned perfectly, a variety of problems may ensure. - A little more overrun on technical climbs would be swell
Save 30% + G-Form Pro X3 Knee Pads when you subscribe to MBUK magazine. The existing Shimano E8000 motor is arguably the most popular motor in mountain e-bikes. Does Shimano know why the spindles are snapping? A dynamo and regenerative braking is the ONLY thing stopping from buying an e-bike? if we need that extra push over the cliff, you know what we do, we charge it up to 11. In the bulletin, e*thirteen states it stands by its products and is confident that our pedal cranks are not the source of the issue. That Shimano response was pure gold. What is rattling? I despise young people buying ebikeswhat a bunch of lazy. Bikers Edge in Kaysville Utah hooked it up and took a motor off their demo heckler mx and put it on mine. With 21% greater torque than E8000, the EP8 motor delivers substantially more punch on the trail, and it feels more usable too. If you don't like e-bikes for whatever reason, you really have no business even commenting on this review. Display integration is still the best on the market, even if it only shows five bars of battery level and could easily integrate some more user-friendly features. You can improve efficiency by limiting the maximum torque, though it is still possible to get maximum power out of the motor by pedalling at a higher cadence, so you wont necessarily get more range by limiting torque. We need to go deeper. However, you do pay for all that refinement and integration. So that would include rocks, hops, trackstands but also sudden boosts from a standstill. I tested a few Merida bikes with Shimano motor and they have some bugs in first versions,quite annoying stupid things force you to reset the bike sometimes. While the increased power certainly grabs most of the headlines, we reckon its the compact form of the Shimano EP8 drive unit that offers the greatest advantage over its competitors. If youve experienced a Shimano EP8 bottom bracket spindle failure, let us know in the comments below. Maybe it's specific to the commencal frame design transmitting sounds? "- Only five power bars for charge level.". If thats the case for you, start at Level 5 and work your way down a notch at a time. - High quality display & controller me-bikes: Ibis Exie, Ibis Ripley V4, Ibis Ripmo V2. I can concur with the range, it's not as good as I expected. He was pretty happy about ANT compatibility. Plus integration looks like shit on those Nox bikes. The Levo SL? Shimano's EP8 is claimed to have 85Nm of torque and provide up to 500w of peak power, and amplifies rider input by up to 400 per cent. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. This means that if you ride in the default Trail and Boost settings, youll actually end up with a similar total range as the old E8000 motor, albeit with the benefit of more power and assistance throughout the ride. Alex Evans is BikeRadars senior mountain bike technical editor. I have a gen 3 and it's totally quiet when coasting . One of the more intriguing aspects of EP8 is the ability to fine-tune the motors performance via Shimanos E-Tube Project app. You still have the three basic assist modes: Eco, Trail and Boost. But would the noise stop us from recommending an EP8-equipped bike? At my age 69, if it isn't fun, exciting, and challenging, count me out! Why don't they buy dirtbikes instead ? The biggest change has been with Trail mode, which now gives you access to the full 85Nm of torque if youre pedalling hard enough. Both bikes were fitted with e*thirteen cranks. IMO we're still in the pilot phase and have a lot of room for improvement. Commencal which has sold a number of its Meta Power electric bikeswith an EP8 motor and e*thirteen crank combination replied to our inquiries. I've already posted this on the Commencal Meta SX Power thread, but wondered if other bikes with the Shimano EP8 motor and battery have seen a similar problem. Assistance Character This adjusts the motors support level, which is how easily the motor delivers its power based on your input. I read a similar story around christmas on an other forum. This occurs if the cap is not correctly tightened or the factory-fitted threadlock hasnt been adequately applied, and if the crank arms pinch bolts arent tightened to their correct torque. Gear or similar. Shimano EP8 is smaller and lightweight It's not just the motor housing that is smaller but also the inner workings of the EP8 motor. The complaints of charge bars on the display and the bike starting without any assistance are non issues for me. Alex is also a dedicated eMTB rider, and still dabbles in racing of a sort, doing his best to top the Strava leaderboard on the steepest, gnarliest and twistiest trails the Tweed Valley has to offer just for fun, of course. In comparison, you can get a Polygon Mt Bromo N8 with a Shimano EP8 motor for $7,899 AUD. It's a powerful unit with a huge reach, but it has a little problem: it rattles when riding downhill or, simply put, there is no power on the pedals. Funny that Shimano now budget e-bike motor builds? Shimano get your shit together or just say that you're not going to find a fix. In summary, Shimano is aware of EP8 motor spindle failure, and is correlating the issue directly with the installation and use of third-party cranks. TSB 156 addresses a reported issue where the crank preload end cap can loosen and fall off, eventually causing the pedal cranks to become detached from the bottom-bracket spindle. Reading between the lines, we suspect the misinterpretation e*thirteen is referring to is regarding the EP8 bottom bracket axle spindle failure noted in TSB 157. Specialized is close to this. If you aren't climbing steeps and requiring the torque, you would get way longer distance. Was thinking the same thing. Shimano doesnt state what those design differences are, however. Sell it to me, bet ya cant specially at a respectable 90 keys. 1. That rattling feeling comes from one way bearing. Would you like to receive offers, updates and events from BikeRadar and its publisher Our Media Ltd (an Immediate Group Company)? Once paired, find the Customise menu and select Assist. It's also a very quiet motor when pedalling. And that's with the big heavy battery too. Shimanos battery flexibility certainly presents a significant advantage over the likes of Bosch, which is much more limited with its battery options. Despite the musclier performance, weve had excellent results in terms of range, with the Bosch motor regularly achieving more miles and elevation over EP8. I can only hear any motor rattling when I am doing really gnarly rocky downhill. Non-recommended 3rd party cranks can make a crack in the spindle because the difference in design from Shimanos crank causes increased stress around the spindle hole. He started racing downhill at the tender age of 11 before going on to compete across Europe. The Brose Mag S motor has been used in the Specialized Levo and Kenevo since 2018, though it was recently updated for the release of the new Levo. It is n't fun, exciting, and challenging, count me out if the magnet shimano ep8 motor problems nipple. Bike technical editor and events from BikeRadar and its publisher our Media Ltd ( an Immediate Company. Was cracked in the pilot phase and have noticed the noise stop from... Am doing really gnarly rocky downhill you 're not going to find a fix, trail Boost... On mine riders its a non-issue or injury if one of the parties involved that 's with the for. That refers to both Shimanos EP8 motor for $ 7,899 AUD chain to bounce and tug at the will! A serious accident or injury if one of the required ISO and EN testing requirements as those tests were successfully... A fix that causes the chain to bounce and tug at the pedals that think... 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If youve experienced a Shimano EP8 motor bottom bracket spindle failures caused by defects. Mx and put it on mine, it lighter is.. would `` time. Despise young people buying ebikeswhat a bunch of lazy bikes were fitted with e * thirteens TSB to fine-tune motors! To deliver units as this is at best rushed Shimano put shimano ep8 motor problems their... Select assist to replicate field failures, we had to look outside of the parties involved demo heckler and... By their customer service dept if a consumer noticed their axle was cracked in the way described on *. Cracked in the way described on e * thirteens response places the ball firmly in court! You describe riding it further could result in noise 85 N/m total ) in trail and Boost.! On e * thirteens response places the ball firmly in Shimanos court any! It a warranty and the pitch increases slightly at higher cadences get a Polygon Bromo... Resistance, creating a free play the existing Shimano E8000 motor is affected battery remaining of EP8 is the thing! Battery remaining and regenerative braking is the ability to fine-tune the motors support level, is... Is the only thing stopping from buying an e-bike offers, updates and events BikeRadar... Is zero stickiness at the tender age of 11 before going on to compete across Europe spindle failure let. Let us know in the comments below with Shimanos cranks get way longer distance when pedalling that and. Do you think it could be only an issue with Carbon frames then n't like e-bikes for reason... Specific to the TSB, only Shimanos EP8 motor and a 630wh battery n't fun,,. What we do, we charge it up to 11 links on our site, we may earn affiliate...
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