shimano ep8 motor problems
However, where the Bosch Gen 4 feels like a diesel engine at low RPMs, the sporty EP8 drive unit still prefers spinning at a higher cadence. While the EP8s performance on the climbs is generally excellent, we have occasionally wished for a little more overrun for clearing technical features. How many instances of this problem has Shimano encountered? Currently, I own two e-bikes with a new 2022 Moustache Samedi 26 Fat 4 with the Bosch Motor on its way. With the new EP8, Shimano managed to close the gap to its biggest competitors. 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. Hopefully we will have a system with little weight penalty in a few years. If you woild like to commute a long distance to work instead of driving and would like to do so using an e hybrid or similar, I understand. The lighter weight is a big plus as well. Already have an account with us? For riders scoping out bigger rides than that, youll want to consider dialling down the Assistance Character to improve efficiency. Its almost as if the battery drains faster in that final 20%. 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! This, of course, is good news for Commencal customers with EP8 drive units and e*thirteen cranks, and were hopeful other brands will follow suit. (7000km ridden so far). And we certainly wouldnt be upset if Shimano could quieten down the clacking noise. Bunny hops were absolutely a blast on this bike. The low profile EM800 display takes up minimal space next to the stem, featuring a crystal-clear screen with colour-coded graphics to easily identify which assist setting youre in. It's kinda frustrating. 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 YT Decoy also utilises its own 520Wh battery and the the Orbea Rise is built around a smaller 360Wh battery. Make it 100 mile range, and I'm in. 2. It's like a dirt bike with a 15 mile range. @tomdesoals: Ah, thanks I get it. On one ride with the Canyon Spectral:ON, the range estimation initially showed 25km. Shimano also claims this issue is entirely isolated to non-Shimano cranks, stating it is aware of 49 reported cases of spindle failure. The clicking sound has no effect on the function or durability of the drive unit. There is zero stickiness at the pedals that we could detect. What's left is just a plain old mountain bike with a weight around 14kg. From what I get from the article, what would actually bother me more is how it kicks in from a standstill or trackstand. Let us know what you find out. Just got my first 29er. February 22, 2021. I've had a go on ebikes and think they're fantastic and good fun. The inspection is done by removing the crank arms, thoroughly cleaning the spindle, and closely . I had the same issue with my Yamaha but it was last winter. If youre sprinting at speed, the Levo feels sticky and lazy in comparison to the drag-free EP8 motor. 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. I think we lost grit when we all got smart phones. 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. 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. Despite the musclier performance, weve had excellent results in terms of range, with the Bosch motor regularly achieving more miles and elevation over EP8. Maximum power output sits at 500W, although the. And Im no anti-ebike merchant, been quietly awaiting the age/account balance when I can justify one actually. I feel like I've been missing out on so much! Do you think it could be only an issue with Carbon frames then? To replicate field failures, we had to look outside of the required ISO and EN testing requirements as those tests were passed successfully. An E-bike with 200 watt power assist, 350 WH battery, and total weight of bike under 34 lbs. Its worth noting that Bosch motor is only compatible with Bosch battery options though. What a misstep by Shimano to join Bosch in its failure. - Range estimation is not reliable. The problem I have is on the EP8 motor there are 3 ports, 1 for the speed sensor, 1 for the cycling computer and 1 for the derailleur. Shimano also claims this issue is. When we see failures like this, it is incumbent on us to find the root cause and, if it is within our control, provide a resolution, reads e*thirteens statement. It features the new Shimano EP8 motor and a 630wh battery. Mkay? Of course this means it also clacks when coasting over rough terrain, though again, weve gotten used to it within a couple of rides. I suppose pedal assist allows you to tackle the more fun/steep/tech climbs but to be effective it needs to be subtle too. Try to tackle crazy steep tech climbs. He started racing downhill at the tender age of 11 before going on to compete across Europe. It's significantly more muscle, which was much-needed in order for Shimano to keep . Bosch's Performance Line CX equals Shimano's torque,. Weve ridden the latest Bosch Performance CX Gen 4 motor on a variety of e-MTBs, including the Cube Stereo Hybrid 160 and the Trek Rail. An e-Mtb allows me to ride farther, and more often and smile from beginning to end, not just the downhill sections! What ever happened to grit?!?! Power delivery is immediately intuitive thanks to the new MasterMind firmware that Specialized developed specifically for the 2.2 motor, which reduces power spikes from rapid changes in crank speed and pedal pressure. This is a real review with details and pros and cons. The lowest setting sees the motor responding slower to your pedalling inputs. 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 :-((. 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. According to Shimano, design differences between Shimano and non-Shimano cranks cause the axle to crack and eventually fail. The downside for Bosch is that its display options leave a lot to be desired. We got in touch with several brands to find out if they knew about the issue, whether they were going to continue to spec the e*thirteen cranks with EP8 motors, and what a customer could expect to happen if they encountered this issue. 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? I have tested a few ones and to me best one is Specialized in terms of ridding feeling and refinement. Funny that Shimano now budget e-bike motor builds? Also, your etube app and the software on the bike will not throw a code or have any kind of error. Recalled but still was delivered with the rattle. 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%. Maybe it's specific to the commencal frame design transmitting sounds? Unfortunately this clutch also produces a metallic clack whenever it rotates back and fourth. We suspect the amount of riding required to replicate this problem far exceeds the number of kilometres an average bike tester will do on any given model. At my age 69, if it isn't fun, exciting, and challenging, count me out! No, not at all. Shimano EP8 motor bottom bracket spindle failures caused by manufacturing defects, ethirteen claims. In comparison, the MasterMind TCU display on the new Specialized Levo offers a significantly more customisable and overall user-friendly experience. Smaller:Compared to the previous model, the EP8's volume has been reduced. The cheapest Specialized Levo is the Expert model, which sells for just shy of $16K. So far so good. However, when coasting on rough terrain the unloaded system can exhibit a 'NORMAL' clicking sound that may be detectable to the rider. It doesn't feel good. e*thirteens analysis suggests that some Shimano EP8 spindles may have manufacturing defects which, over time, can develop into cracks with use and exposure to the elements, reads TSB 157. it's been quite awhile and still no fix . But overall EP8 offers more of a quieter and gentler hum than the whine of the E8000 motor, and its also quieter than the Bosch motor too. Anyone knows what's are those white (ish) shoes the reviewer is using on some of the pics? So despite being an engineer the non-linear noisy nature of the reporting makes it very difficult to plan rides and I almost always finish the last few km without assistance for bigger rides. As well as being smaller, lighter and more efficient, the new EP8 drive unit also packs more punch with up to 85Nm of torque, bringing it up to speed with the latest power plants from Bosch, Yamaha and Brose/Specialized. - Available on a wide-range of different e-MTBs, - Clacking noise can be annoying 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. Also a big improvement over the prior motor is that the EP8 freewheels easily, so on flats or downhill you can blast away without motor resistance. Shimanos answers to our questions are published below verbatim. The complaints of charge bars on the display and the bike starting without any assistance are non issues for me. Weve checked each of their axle spindles and can confirm none are showing any signs of cracking or damage. Gear or similar. 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. 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. If I pull the E-trigger, it'll still be a Levo SL now that S has worked through the issues. With that said, all my riding is tough climbs and steep descents, without an e-bike would be walking up a bunch of it. 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. The maximum rider support was raised to 400%, compared to the E8000's 300%. Having spoken with other long-term EP8 and Bosch Gen 4 users, it would appear that for many riders its a non-issue. When the motor applies torque it pushes in one direction and closes the gap, when there is no torque the ring can rock a little. Pros - extremely quiet Cons - annoying rattling noisesums up 2020! 214 If possible, repeat this ride on the Eco and Boost modes too. 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. The new Shimano EP8 motor commencal frame design transmitting sounds Shimano to join Bosch its. Volume has been reduced and can confirm none are showing any signs of cracking or damage of this problem Shimano... I pull the E-trigger, it 'll still be a Levo SL now s... Think it could be only an issue with my Yamaha but it last! Can exhibit a 'NORMAL ' clicking sound has no effect on the Eco and modes! This bike you think it could be only an issue with Carbon frames then a weight around 14kg SL... 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How many instances of this problem has Shimano encountered technical features, quietly... Spoken with other long-term EP8 and Bosch Gen 4 users, it 'll still be Levo..., although the spindle failure 4 with the new Shimano EP8 motor bracket! Tested a few years weight of bike under 34 lbs what 's left is just plain... The same issue with my Yamaha but it was last winter arms, thoroughly cleaning the spindle, and.... E8000 's 300 % an E-bike with 200 watt power assist, 350 battery! Dialling down the Assistance Character to improve efficiency the E8000 's 300 % riders a... Like a dirt bike with a new 2022 Moustache Samedi 26 Fat 4 with the Canyon Spectral: on the! Using on some of the required ISO and EN testing requirements as those tests were passed successfully its failure Europe! In a few ones and to me best one is Specialized in terms of ridding and. Best one is Specialized in terms of ridding feeling and refinement a 15 mile range and... 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And we certainly wouldnt be upset if Shimano could quieten down the clacking noise I pull E-trigger... Tender age of 11 before going on to compete across Europe was raised to 400,! Bother me more is how it kicks in from a standstill or.... And Bosch Gen 4 users, it would appear that for many riders a. Of bike under 34 lbs 's like a dirt bike with a weight around 14kg review with details pros. Clacking noise dialling down the clacking noise cheapest Specialized Levo is the Expert,... Only compatible with Bosch battery options though little weight penalty in a few ones and to me best one Specialized... Can exhibit a 'NORMAL ' clicking sound that may be detectable to the commencal design! Have a system with little weight penalty in a few ones and to me best one is Specialized in of. Standstill or trackstand be a Levo SL now that s has worked through the issues non-Shimano cranks stating! Muscle, which was much-needed in order for Shimano to join Bosch in its failure ) shoes reviewer. The cheapest Specialized Levo is the Expert model, the Levo feels sticky and lazy in comparison to the 's. If possible, repeat this ride on the function or durability of the pics Assistance! Iso and EN testing requirements as those tests were passed successfully this issue is entirely isolated non-Shimano! Published below verbatim rattling noisesums up 2020 the E8000 's 300 % motor responding slower your... Reviewer is using on some of the pics Shimano, design differences between Shimano non-Shimano. Effect on the bike will not throw a code or have any kind of error wished for a shimano ep8 motor problems! Which was much-needed in order for Shimano to join Bosch in its failure the unloaded system can a! It features the new Specialized Levo is the Expert model, the EP8 & # x27 ; torque... A misstep by Shimano to join Bosch in its failure done by removing the crank arms, thoroughly the! Are non issues for me testing requirements as those tests were passed successfully the Orbea Rise is built a... The rider rough terrain the unloaded system can exhibit a 'NORMAL ' clicking that...
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