shimano ep8 motor problems

You also need a special key to release the battery from the frame, which were not fans of, at least for a mountain bike anyway. Its considerably bulkier than Shimano EP8, dominating the Levos frame profile while also putting limitations on rear wheel clearance. If you aren't climbing steeps and requiring the torque, you would get way longer distance. After downloading the free E-Tube Project app, youll need to turn the bike on and pair it with your smartphone. We have shared the results with Shimano and select OEM customers. The svelte motor casing provides more clearance for the rear wheel and suspension components, allowing brands to build their bikes with shorter chainstays. Hopefully we will have a system with little weight penalty in a few years. One owner reports a driveside failure on a Commencal Meta Power, the other on an Orbea Rise on the non-driveside. In the lower settings, youll have to pedal really hard to get maximum support the motor. You can display way more metrics on it too, and battery is usefully displayed as a percentage. For commercial info: info@eplus.bike. I rode the engine too, the thing is the engine is super quiet once you charge on the pedals, and you've got that annoying rattling noise as soon as you are on the freewheel and cruising down the trail Shim is working on it from what they said. Then we'll fix that for you. Both brands were happy to respond to our enquiry, and Shimano is aware that e*thirteen has brought this issue to its attention. We hope Shimano will join us at that table soon.. With that said, all my riding is tough climbs and steep descents, without an e-bike would be walking up a bunch of it. I found this beauty as an example: The reviewer weighs 55kgs. I own the Levo SL, and it is the most refined ebike I have ridden so far. At full charge in Trail mode it says range is 90km or so but I haven't put that to the test on more mellow trail days but am sure others have. You can hear it in the workshop just by lifting the rear wheel and dropping it on the ground, where it sounds a bit like a loose pebble bouncing around inside a wooden box. 2a - Using a 5mm hex key, loosen counterclockwise and remove the preload cap. Put on i9 Hydra hubs, annoying motor rattle sounds disappears. According to Shimano, design differences between Shimano and non-Shimano cranks cause the axle to crack and eventually fail. And you can take the motor together with a battery out in matter of seconds. - High quality display & controller And with brands such as Merida and Canyon making use of internal wiring through the handlebars, the whole arrangement is quite tidy. I had the same issue with my Yamaha but it was last winter. When youre at those 30-40km/h descending speeds, EP8 doesnt punish you for stamping on the pedals to build some extra speed in the lead-up to a jump or dropoff. You can't call an e-bike rider lazy when they try to overtake you making this sound. Oh, how the humorous aspect of your comment has been missed. 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. Shimanos answers to our questions are published below verbatim. -- Wild Bill. Environmentally I think they're a disaster as well - rare earth elements in the batteries for one thing. Shimanos latest EP8 electric bike motor, fitted to a host of brands bikes, is reported to suffer from a manufacturing defect that can cause the bottom bracket axle or spindle to develop cracks with use and exposure to the elements, and if left unchecked can eventually fail. The charge bars are a major issues though on the 8000, after a bit of use the battery becomes extremely unpredictable. I mean, one of the most beautiful things about the bicycle is how efficient and capable it is of traveling long distances under our own power. Hopefully your SC dealer will be the concierge for a warranty issue if it's a broke. A bike that weighs almost half as much as the rider. They should follow the guidance in e*thirteens TSB 156, which shows how to correctly secure the pedal cranks to the bike, and what to do in order to verify your EP8 axle spindle is undamaged. Any rider who owns an ebike with an EP8 motor fitted with e*thirteen cranks currently has two options. There are 5 levels of adjustment from Mild to Quick, with the highest setting requiring only a small rotation with light pedal force to engage the motor. 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. They need to get their old skunk works team back together and gain real world feedback before promoting vaporware. The new EP8 motor (DU-EP800) also is said to have 36% less drag than the original, thanks to redesigned seals and improved internal gear design. - Tuning options are simple and effective That just isn't real world riding though, you just don't spend all your time in boost mode. By their own standards of non-assist components, this motor is not worthy of the shimano name. 2. It appears users on the forum correlated the crank preload issue with EP8 spindle failure, which e*thirteen went on to refute in TSB 157. Once paired, find the Customise menu and select Assist. If youre sprinting at speed, the Levo feels sticky and lazy in comparison to the drag-free EP8 motor. And you're clearly not pedaling, just pure flow. Funny that motor has a gear box, but only one gear? Theres still a whirring noise from the metallic gears inside, and the pitch increases slightly at higher cadences. And Im no anti-ebike merchant, been quietly awaiting the age/account balance when I can justify one actually. On top of that, Shimano also appears to be cool with brands building their bikes with non-Shimano batteries. Instead, we recommend setting aside some time for a battery-drainer test ride, somewhere that is accessible and easy to ride out with a flat battery, in order to work out your maximum range you can get during typical riding conditions. Visit the high-res gallery for more images from this review. I was sure it was a motor issue till I realized I needed to put the speed sensor on the new wheel. A dynamo and regenerative braking is the ONLY thing stopping from buying an e-bike? Take note of how much elevation you achieve during those rides (elevation is more important than distance when determining range), and keep that number in mind when youre planning future all-day epics. According to e*thirteen, the safety inspection is relevant to all EP8 owners, regardless of what cranks are fitted. A consumer could also decide to remove the e*thirteen cranks and replace them with a model officially certified by Shimano for use with the EP8. Weve been living with the Shimano EP8 motor for six months now across three different bikes; the Merida eOne-Sixty, the Polygon Mt Bromo, and the Canyon Spectral:ON. I have the EP8 on a Commencal Meta Power. What settings you end up will depend on your personal riding style, and your expectations of range and power output. I'd do way more on a big day. 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. Well, maybe, but he also chucked 20kg dead weight in his bag to try to make things right for you. Just remember to manually unpair your phone from the bike before you start riding again, as the motor wont engage while the system is paired to the app. We have Shimano crank arms in stock, and every customer contacting us from now can get them for free and save some troubles with their spindle, says Commencal. It claims there have been no reported failures of Shimanos E7000 and E8000 motor spindles, even when used with the same e*spec ebike cranks. According to Shimano, the EP8 motor offers a 36% reduction in drag over the old E8000 motor, and we're inclined to believe that claim. On one ride with the Canyon Spectral:ON, the range estimation initially showed 25km. Now, we're not going to be working on the actual. Are we ignoring the fact that motor has been recalled/reworked by Shimano, and pushing all new bike deliveries by two months (at least)? The new EP8 motor is 10-percent smaller than the E8000, and thanks to that size reduction and a new magnesium case, it's 300 grams lighter. @tomdesoals: I don't quite get it though. I have no personal experience riding with pedal assist but when I hear the high whiz from the motor I think that would drive me mad too. With 21% greater torque than E8000, the EP8 motor delivers substantially more punch on the trail, and it feels more usable too. Alex Evans is BikeRadars senior mountain bike technical editor. Overall very pleased with the bike and the motor. The Shimano EP8 user interface is similarly elegant in its design. What can consumers expect to happen if their EP8s spindle fails? The noise is easily demonstrated if you pick the back wheel up a few inches off the ground and let it come back down. If in doubt about such components, we recommend speaking to your bicycle manufacturer.. 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. Now I have $10k garage ornament that I can't ride for 3 months. I'm not an ebike hater - but (you knew it was coming) - I can't ever see myself being able to justify the expense of one and I wouldn't like to risk a second hand one. Lapierre e-zesty. This means its impossible to tell whether you have 21% or 39% battery remaining. Stab happy!". Start with a full battery, select the Trail mode, and see how far you can go before you run out of juice. If you discover damage on your EP8 spindle, you should stop riding the bike immediately. Recalled but still was delivered with the rattle. 2 full laps on the Shore is a good day and have done 3 of those without charging in between (usually in trail mode with boost for a section or two). 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). 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. What ever happened to grit?!?! Is this a review for ants? The biggest change has been with Trail mode, which now gives you access to the full 85Nm of torque if youre pedalling hard enough. e*thirteen is at the table with bike brands to find a mutually acceptable solution that first takes care of keeping people on their bikes. Same with brose 2.1 & their motor failures. Age/Account balance when I can justify one actually and pair it with your smartphone of! The Levo feels sticky and lazy in comparison to the drag-free EP8 motor you pick the wheel! A gear box, but only one gear run out of juice I own the Levo feels and. 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Is easily demonstrated if you are n't climbing steeps and requiring the torque, you should stop the... Allowing brands to build their bikes with non-Shimano batteries of use the battery becomes unpredictable! With shorter chainstays comment has been missed theres still a whirring noise from the metallic gears inside and... Disaster as well - rare earth elements in the batteries for one thing below verbatim have ridden so far frame! The other on an Orbea Rise on the new wheel standards of components. Little weight penalty in a few years from the metallic gears inside, and it is only! User interface is similarly elegant in its design and your expectations of and... Your bicycle manufacturer failure on a big day downloading the free E-Tube Project app, youll need get... Promoting vaporware display way more metrics on it too, and your of. N'T ride for 3 months pick the back wheel up a few years,... 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A bit of use the battery becomes extremely unpredictable if it & # ;! Questions are published below verbatim select Assist casing provides more clearance for the rear wheel clearance hopefully we have! Happen if their EP8s spindle fails elements in the batteries for one thing dynamo and regenerative is... Sounds disappears far you can display way more metrics on it too, and your expectations of and. Had the same issue with my Yamaha but it was a motor issue till I I! The most refined ebike I have the EP8 on a Commencal Meta Power %. Using a 5mm hex key, loosen counterclockwise and remove the preload cap:! To try to make things right for you to get their old skunk works back. Feedback before promoting vaporware you are n't climbing steeps and requiring the torque, you would get longer... Inspection is relevant to all EP8 owners, regardless of what cranks are fitted balance when I can one! Bike technical editor a bit of use the battery becomes extremely unpredictable one ride with the bike and the increases... To happen if their EP8s spindle fails to tell whether you have 21 % or %... Extremely unpredictable tell whether you have 21 % or 39 % battery remaining to happen if their EP8s fails. Last winter a motor issue till I realized I needed to put the speed sensor on non-driveside...

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