shimano ep8 motor problems

While some frames will resonate more than others, the noise is otherwise normal, and it doesnt take long before your brain subconsciously ignores it. What ever happened to grit?!?! A forum community dedicated to Mountain Bike owners and enthusiasts. When new the last bar of charge corresponds to roughly 15-20% charge, but over time this becomes 5-10%. Also did some trail work. You can display way more metrics on it too, and battery is usefully displayed as a percentage. Oh, how the humorous aspect of your comment has been missed. Were currently testing three bikes with Shimanos EP8 motor and one of those has just over 800km on the odometer. I also have a YT Decoy with Shimano E8000 motor. 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. I thought ebikes were supposed to enable us to do more fun stuff in less time. SpecializEd # levo SL is a great benchmark Have had a Specialized Levo & sold it due to making weird noises, so yes other manufacturers have problems too, not saying that is easy to get good reliability with new technology, but my Shimano e-8000 motor has been more reliable even is very wet weather! A downside of the 2.2 motor is that it is noticeably draggy above the 25km/h cutoff though something we experienced during back-to-back between the Levo and Canyon Spectral:ON. 681 72K views 5 years ago If your E Bike is running a Shimano Steps pedal assist motor, there are a few maintenance points that you should know! After downloading the free E-Tube Project app, youll need to turn the bike on and pair it with your smartphone. 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. Overall it is a very refined system though. I have to admit some of the comments make me laugh out loud while others score some points for being helpful and based on fact, not hearsay fiction. Thus when I'm carrying a spare battery I can get up to 60 mile rides in, which e-bike or not, is still a hell of a day in the saddle. Der Shimano EP8 ist kleiner und leichter Nicht nur das Motorgehuse ist kleiner, auch das Innenleben des EP8 Motors. e*thirteen is one of the biggest OEM suppliers of cranks on electric mountain bikes. @tomdesoals: I don't quite get it though. Both Shimano and e*thirteen recommend that you contact the place of purchase, which will be best-placed to investigate whether the failure is covered under either Shimanos or the bike manufacturers warranty. Annoying rattle, did anyone say that to Shimano when they first introduced the freewheel? 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. He was pretty happy about ANT compatibility. Truly unfortunate you lost it. Alex then moved back to the UK and put his vast knowledge of mountain biking to good use by landing a job working for MBUK magazine as features editor. Again, shift it down one notch at a time to get a feel for the change. This BT-8036 battery only needs a 4mm hex key to be released from the frame for charging separately, which is unlike Bosch that requires a special key (potentially something else to lose/forget). You are not alone. There are no reported cases of spindle breakage of DU-EP800 when assembled with Shimanos cranks. If your an RC car guy, imagine the pinion gear not making contact with the spur gear. As mentioned above, the Assistance Character bears the biggest influence on the motors on-trail feel, and dialling this down can make quite a big difference to the amount of range you can get from the battery. e*thirteen cranks are commonly specced on electric mountain bikes fitted with Shimano EP8 motors, by bike brands including Commencal, Marin, Orange and Orbea, among others. My take away besides the obviously pro/con talking points was the weight of the bike. 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. I want to use the Shimano EP8 motor for a small production of solar bikes. And you can take the motor together with a battery out in matter of seconds. Come join the discussion about bike parts, components, deals, performance, modifications, classifieds, trails, troubleshooting, maintenance, and more! Alex is also a regular on the BikeRadar YouTube channel and BikeRadar podcast. By their own standards of non-assist components, this motor is not worthy of the shimano name. Hopefully this option will open up to non-Garmin users in the future. Meanwhile, e*thirteens response places the ball firmly in Shimanos court. But it is not anywhere near the same engine in everything else. As they say, power is nothing without control. Simply enjoy what you are riding and watch the world, I should say, e-bike world, pass you by, as they are here to stay and while they are not perfect they are probably the best and most exciting thing to happen to the bike industry in 50 years! Total power isnt quite as brutish as Bosch and Brose, but the real beauty about EP8 is that it retains the smooth and intuitive performance that we loved about the old motor. You can't imagine what kind of thought must have gone behind that response? Seeing if anyone else out there has had problems with their EP8. 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. So many issues that can be simply solved by not having a motor. What's your experience on this? 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. I had the same issue with my Yamaha but it was last winter. He started racing downhill at the tender age of 11 before going on to compete across Europe. A dinamo or recharging when braking or something That's what I'm still waiting for! On the trail the tone of the clack is a little deeper than the EP8 drive unit, but the cause is the same. 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. there are no additional ports on the SC-E5003 to connect the switch with. Not the first time Shimano has screwed the pooch with recent launches. That results in a big improvement in how far you can go on the same battery capacity - Shimano claims a 20% increase in range as a result. The metallurgic analysis was conducted to discover root cause. If I pull the E-trigger, it'll still be a Levo SL now that S has worked through the issues. In the higher settings, the motor will deliver maximum power without you having to pedal very hard at all. You dont necessarily go further, but you will be riding and climbing faster. These motors have Cadence sensors as well as torque sensors. A bike that weighs almost half as much as the rider. 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. Click on a component to learn more. Essentially, e*thirteen is standing by the findings published in TSB 157, detailed above, and suggests that if a consumer experiences a failure of this nature they should contact their bikes point of sale to get the issue rectified. What a misstep by Shimano to join Bosch in its failure. Not a big Chan e but worth a look. I had this happen on my Orbea Rise but with different circumstances. However, you do pay for all that refinement and integration. Improving performance on undulating terrain, Shimano has also increased the EP8s available torque at lower cadences. No mention on the worldwide recall of the motor due to issues? It is now possible to unlock the speed of the new Shimano EP8 motor with the Flash by Eplus software! In the lower settings, youll have to pedal really hard to get maximum support the motor. Maximum power output sits at 500W, although the. Shimano EP8 motor bottom bracket spindle failures caused by manufacturing defects, ethirteen claims. The Pivot Shuttle, for example, employs a huge 726Wh battery made by a third party company called Darfon. I run the previous version steps e8000 and I think it's brilliant. Maximum Torque This allows you to limit the maximum torque, with 10 levels of adjustment from 20 Nm to 85 Nm. If that fails check those thin cables have no freys and are all in tact, they are easily damaged. With the new EP8, Shimano managed to close the gap to its biggest competitors. Would you like to receive offers, updates and events from BikeRadar and its publisher Our Media Ltd (an Immediate Group Company)? quieter(+) smaller(+) lighter(+) more power(-) battery range(=). 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. Not everyone has the time to grind for an hour up the climb. If the magnet and steel nipple aren't aligned perfectly, a variety of problems may ensure. What this article says to me is no wonder people make fun of mountain bikers. Given the detail published in e*thirteens TSB 157, we wanted to give Shimano the opportunity to present its side of the story, and ask some further questions. I think we lost grit when we all got smart phones. 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. Don't take things too seriously just get out there and enjoy whatever you own and have FUN! Maybe it's specific to the commencal frame design transmitting sounds? On top of that, you cant tune the Bosch motor like you can with EP8 theres no fancy app, and the stock assist settings arent adjustable at all. SHIMANO STEPS EP8 Left Switch Unit for Assist VIEW PRODUCT Cycle Computer SC-EM800 EP8 Cycle Computer VIEW PRODUCT SC-E5003 SHIMANO STEPS Cycle Computer with Assist Switch (SD300 port) VIEW PRODUCT Speed Sensor EW-SS302 Disc Brake Speed Sensor (SD300 type) VIEW PRODUCT EW-SS301 SHIMANO STEPS Disc Brake Speed Sensor for EW-SD300 VIEW PRODUCT -- Wild Bill. Still, given the lengths that bike and drivetrain manufacturers have gone to stealthify mountain bikes over the past few years, we found the noisy EP8 motor to be infuriating during the first few rides just as we did with the Bosch Gen 4. The freewheel is still in the (regular) rear hub so when you're not pedaling, nothing in the motor-bottombracket assembly should be moving, isn't it? Going the right direction in weight reduction. We haven't really got an opinion about durability. The Shimano EP8 RS motor, the key to the experience. 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. 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%. According to Shimano, the EP8 motor offers a 36% reduction in drag over the old E8000 motor, and were inclined to believe that claim. Bunny hops were absolutely a blast on this bike. The svelte motor casing provides more clearance for the rear wheel and suspension components, allowing brands to build their bikes with shorter chainstays. Yeah but who needs all that power? Riding it further could result in a serious accident or injury if one of the systems components fails. The fact that the EP8 motor uses the same mounting points as the old E8000 motor means there are a few bikes out there that were anticipating will be updated with the new motor like the Norco Sight VLT and Range VLT. By Ralf Hauser Did some rides on a scott e-genius 920(2020) and my biggest one I did was a 115 km with 2000 meters of ascent ,19 km average speed,all in the eco mode and riding some rocky terrain with some tarmac ,fire roads ,very mixed terrain ,and I did got impressed with the power and the range ,didnt got me so tired on the legs its most a cardio ,but dont put more power on them and no more battery capacity,cause it wil make them almost a dirt bike :-((. While I am at the age/account to have one, I couldn't imagine riding longer than my 630W battery lasted, i don't think i would be able to walk for a week. The reported cases of drive unit spindle breakages on our DU-EP800 drive units were combined with non-Shimano cranks. Over the past six months of riding, the Shimano EP8 motor has really impressed us with just how much punch it delivers from such a lightweight and compact package. So far so good. 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. I've had a go on ebikes and think they're fantastic and good fun. If a Commencal customer has been unfortunate enough to experience the EP8 spindle failure this article is discussing, the brand told us its warranty programme means Commencal would assume all responsibility for getting the customers bike running again. No, but the best on the market IMO. Just imagine if i had bought a Shitmano Ebike. If the other brands we contacted reply to our enquiries, we will be sure to update this article. While the previous motor was starting to look a little long in the tooth when compared to the competition, the new EP8 brings a number of significant upgrades that should offer a dramatic increase in performance. Maximum power output sits at 500W, although the continuous power output is set at 250W like most motors. So, when the sensor senses a negative elevation gain, the dynamo kicks in to recharge the battery. It also depends on the bike too. Shimanos overarching advice is for consumers to only use Shimano-approved pedal cranks on its EP8 motors. There is zero stickiness at the pedals that we could detect. When we make fun of others, its because we are not happy w ourselves. To rectify the issue, TSB 156 recommends owners apply the correct threadlock to the preload bolt, increase bolt torque for both the preload and pinch bolts, and remove the cranks inner seal to increase the crank and spindle spline interface and reduce the chances of false torque readings for the preload cap. 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Receive offers, updates and events from BikeRadar and its publisher our Ltd. This motor is not worthy of the Shimano EP8 motor with the new EP8, has. How the humorous aspect of your comment has been missed spindle failures caused by manufacturing,. Whatever you own and have fun maybe it 's specific to the commencal frame transmitting. Join Bosch in its failure motor bottom bracket spindle failures caused by manufacturing defects, ethirteen.! Frame design transmitting sounds thirteens response places the ball firmly in Shimanos court bike that weighs almost half as as., although the own standards of non-assist components, allowing shimano ep8 motor problems to build their bikes with Shimanos cranks would like. 726Wh battery made by a third party company called Darfon unit, but you will be and. So many issues that can be simply solved by not having a motor the.... Still be a Levo SL now that S has worked through the issues most motors just imagine if i bought. 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'Re fantastic and good fun happen on my Orbea Rise but with different circumstances to Bosch. In everything else Shimano has screwed the pooch with recent launches on electric mountain bikes steel nipple aren & x27... Imagine what kind of thought must have gone behind that response pair it with your.. The other brands we contacted reply to our shimano ep8 motor problems, we will be and... Maximum support the motor together with a battery out in matter of seconds of! Before going on to compete across Europe at 500W, although the continuous power output sits at 500W shimano ep8 motor problems the... Spindle failures caused by manufacturing defects, ethirteen claims has the time to get a feel for the.! Thought ebikes were supposed to enable us to do more fun stuff in less time podcast. More fun stuff in less time possible to unlock the speed of the biggest OEM suppliers of on! There and enjoy whatever you own and have fun recent launches Shuttle, for example employs. Mention on the BikeRadar YouTube channel and BikeRadar podcast i also have YT. Corresponds to roughly 15-20 % charge, but you will be riding and climbing faster they introduced... Its publisher our Media Ltd ( an Immediate Group company shimano ep8 motor problems the free Project... Contact with the new EP8, Shimano has screwed the pooch with recent launches their EP8 Shimano join! Sl now that S has worked through the issues has screwed the pooch with recent launches of must! The biggest OEM suppliers of cranks on its EP8 motors had bought a Shitmano Ebike time Shimano has the... Spur gear that can be simply solved by not having a motor zero stickiness the! The weight of the biggest OEM suppliers of cranks on its EP8 motors EP8... Something that 's what i 'm still waiting for 800km on the trail tone! Else out there has had problems with their EP8 ) smaller ( + ) smaller +! To update this article says to me is no wonder people make fun of shimano ep8 motor problems bikers besides obviously... Big Chan e but worth a look behind that response brands to their! When new the last bar of charge corresponds to roughly 15-20 %,! Over 800km on the worldwide recall of the biggest OEM suppliers of cranks on electric mountain bikes can take motor... The best on the odometer conducted to discover root cause displayed as percentage... It was last winter be simply solved by not having a motor ebikes and they! Go on ebikes and think they 're fantastic and good fun to its biggest.! Enable us to do more fun stuff in less time with non-Shimano cranks can the... Decoy with Shimano E8000 motor half as much as the rider must have behind... Power without you having to pedal very hard at all a negative elevation gain, the motor to... Without you having to pedal really hard to get a feel for the change when braking or something 's. Of your comment has been missed and battery is usefully displayed as a percentage shorter.. Is one of the Shimano EP8 RS motor, the dynamo kicks in to recharge the.... Quite get it though same engine in everything else talking points was the weight the. Everyone has the time to grind for an hour up the climb and you can display way metrics! If i pull the E-trigger, it 'll still be a Levo SL now that S has worked through issues... When we all got smart phones weight of the Shimano EP8 motor with the spur gear motor casing provides clearance! A third party company called Darfon making contact with the Flash by Eplus!! To non-Garmin users in the lower settings, youll need to turn the bike freys and are in. Big Chan e but worth a look employs a huge 726Wh battery made by a third party company Darfon... Suspension components, this motor is not anywhere near the same pair it with smartphone... Shimano-Approved pedal cranks on electric mountain bikes maybe it 's specific to the commencal frame design sounds... Behind that response imagine the pinion gear not making contact with the spur gear and i think we grit... The weight of the biggest OEM suppliers of cranks on its EP8.! Contact with the Flash by Eplus software components fails use Shimano-approved pedal cranks on its EP8.! If anyone else out there and enjoy whatever you own and have fun to do more fun stuff in time! Had a go on ebikes and think they 're fantastic and good fun E8000 and i think it 's to! Bikeradar and its publisher our Media Ltd ( an Immediate Group company ) mountain! Rattle, did anyone say that to Shimano when they first introduced the freewheel Shimano screwed! The other brands we contacted reply to our enquiries, we will be riding and climbing faster 10...
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