The Purion controller is vastly simpler and easy to read, but it looks cheap and its bulky, making it an awkward fit with brake and dropper levers. 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. I had this happen on my Orbea Rise but with different circumstances. A bike that weighs almost half as much as the rider. Funny that Shimano now budget e-bike motor builds? He was pretty happy about ANT compatibility. - Can we have remaining battery displayed as a percentage please? Nothing like on an ebike. 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. Does Shimano know why the spindles are snapping? Regular motor inspections and general servicing should be carried out on the bike as per the manufacturers recommendations to help spot any potential damage before it leads to failure. Hitting those famous tracks day in, day out for eight years, he broke more bikes than he can remember. Ebikes are great as a self shuttle, especially for time limited people. 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. Weve noticed this while pedalling along forest double tracks and on the road to and from the trailhead, but its also apparent when sprinting along faster sections of singletrack. That's it, no recall, but I'm happy to be corrected if I'm wrong. "- Only five power bars for charge level.". 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. 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. If in doubt about such components, we recommend speaking to your bicycle manufacturer.. As much as I want an emtb right now, I am waiting until the technology is perfected. Oh, how the humorous aspect of your comment has been missed. this dude knows how to write a review, well done. There is zero stickiness at the pedals that we could detect. 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. 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. Anyone having problems with the charger? If possible, repeat this ride on the Eco and Boost modes too. Stab happy!". -- Wild Bill. This is particularly noticeable on traction-poor climbs, even when starting from a standstill. 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. Rattling noise, you've seen (or heard) any of the Semenuk RAW100 videos? February 22, 2021. On top of that, Shimano also appears to be cool with brands building their bikes with non-Shimano batteries. Perfect? Meanwhile, e*thirteens response places the ball firmly in Shimanos court. It's significantly more muscle, which was much-needed in order for Shimano to keep . Posted Oct 21, 2020. I have this motor. But even then it is still quieter than my saddle bag bouncing around. Yes, we understand how and why spindle breakage may occur when some non-Shimano cranks are used with our DU-EP800 drive unit. Both bikes were fitted with e*thirteen cranks. The cause is due to the difference in design from Shimanos crank, which causes increased stress around the spindle hole.. It is a feature bro, the sound of pure class. These combinations meet our strict and exacting quality standards. - Lightweight and small form factor All the grit is gone because it's clearly stuck between your bitter little arse cheeks.. We have shared the results with Shimano and select OEM customers. Not a big Chan e but worth a look. All you guys "waiting" to get a ebike are blowing it..the bikes are refined trek rail no problems..going around the country slaying every trail I see chugging beer and laughing at all u haters.. believe me I guys will all be on one sooner than later. 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. If thats the case for you, start at Level 5 and work your way down a notch at a time. Also heard of this happening to another EP8 up in park city, 5 miles on the motor, and did the same thing mine did. I own the Levo SL, and it is the most refined ebike I have ridden so far. Like e*thirteen, Shimano appears to agree that if a consumer were to suffer spindle failure they should speak directly to whoever they bought their bike from, suggesting any motor replacement or repair costs would need to be covered by the bike manufacturer that decided to spec an EP8 motor with e*thirteen cranks. Here youll find three sliding scales for each of the three assist modes (thats Eco, Trail and Boost). Sometimes that means a DIY fix and other times it can mean a recall, software update or part replacement by a dealer. Truly unfortunate you lost it. Save 30% + G-Form Pro X3 Knee Pads when you subscribe to MBUK magazine. Stay tuned, as well have an Orbea Rise test bike arriving very soon. IMO we're still in the pilot phase and have a lot of room for improvement. 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. Those Merida ebikes ride quite good too. In comparison, Shimano motors can be paired with third party batteries, and that opens up greater flexibility for bike designers (see the Orbea Rise and Pivot Shuttle for example). 214 Come join the discussion about bike parts, components, deals, performance, modifications, classifieds, trails, troubleshooting, maintenance, and more! Maybe it's specific to the commencal frame design transmitting sounds? While the motor is both more sensitive and more powerful though, Shimano has done brilliantly to offer usable control of that power. This reduced the tendency for the front wheel to lift on really steep tech climbs. @tomdesoals: I don't quite get it though. Great for climbing, on the descents the weight changes how I ride, not better or worse. 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. The lowest setting sees the motor responding slower to your pedalling inputs. 2023 Thok TK01 R Review | A surprising package from an Italian e-MTB specialist, 2022 Canyon Spectral:ON Review | A better e-MTB in almost every way, 2023 Trek Fuel EXe Review | This brand new lightweight e-MTB is the stealthiest weve ever tested, Rocky Mountain Altitude Powerplay Review | Power is nothing without control, This website requires Javascript for optimum viewing purposes. And in terms of backup service and support, the fact that there are far more Shimano dealers than there are Specialized dealers may also be preferable for some riders. This means its impossible to tell whether you have 21% or 49% battery remaining. If I pull the E-trigger, it'll still be a Levo SL now that S has worked through the issues. Since working for MBUK, Alexs focus has moved to bike tech. As they say, power is nothing without control. 2a - Using a 5mm hex key, loosen counterclockwise and remove the preload cap. It is MUCH less powerful, but there is no rattle, no weird cut off, no jerky pedal action. Specialized is close to this. me-bikes: Ibis Exie, Ibis Ripley V4, Ibis Ripmo V2. Didn't think I'd ever see that. When new the last bar of charge corresponds to roughly 15-20% charge, but over time this becomes 5-10%. The brand was made aware of failures occurring when the EP8 motor is used with pedal cranks made by brands other than Shimano, including e*thirteens e*spec ebike-specific cranks. I'm sure a dynamo can be integrated somehow with the hub rotations without causing a lot of drag. Its an unfortunate situation that we think could not have been predicted by any of the parties involved. Anyone knows what's are those white (ish) shoes the reviewer is using on some of the pics? Are we ignoring the fact that motor has been recalled/reworked by Shimano, and pushing all new bike deliveries by two months (at least)? Appreciate the level of detail in this article, good work. 2c - If preload cap has no threadlock patch pre applied: How stuff like this gets through what I would like to think was extensive testing I will never know. Try to tackle crazy steep tech climbs. (7000km ridden so far). 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. The way the 2.2 motor smooths out un-smooth rider input is very impressive, giving it the most natural feel on the trail of any full-power motor weve tested. I also have a YT Decoy with Shimano E8000 motor. The clicking sound has no effect on the function or durability of the drive unit. Environmentally I think they're a disaster as well - rare earth elements in the batteries for one thing. I had the same issue with my Yamaha but it was last winter. If the magnet and steel nipple aren't aligned perfectly, a variety of problems may ensure. Repair and maintenance of Bosch, Shimano, Yamaha and Brose eBike motors Repair and maintenance of eBike motors from the following manufacturers: Bosch Active Line, Bosch Active Line Plus, Bosch Cargo Line, Bosch Performance Line and Bosch Performance Line CX For more details on the full range of Bosch motors click here One is a Haibike Fat-Tire with a Yamaha Drive, the second is an absolutely brilliant 40lb (including battery) DIODE from LaMere Cycles in the USA. Absolutely. 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. 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 have not heard of a recall, so I did some digging. The EM800 display features built-in Bluetooth and ANT+ wireless connectivity for pairing both your phone and a compatible GPS head unit, allowing you to display information such as battery life and remaining range. Ebikes are cool but not quite refined enough to jump in yet. Same with brose 2.1 & their motor failures. If consumers use the recommended cranks, there should not be any issue this combination meets our strict and exacting quality standards. 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. For the type of riding and trails I do, battery power is not an issue, in fact would look at a smaller battery and weight savings on my next rig. I rode an e bike and suffered a little bit yesterday. According to Shimano, design differences between Shimano and non-Shimano cranks cause the axle to crack and eventually fail. What ever happened to grit?!?! Probably more than some rattle. 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. As soon as we got the first failures we [started to] spec Shimano [cranks] again but lead time[s] to get the first crank arms [was] quite long so we had some inertia in production. I tried to find out the cause of this. 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 :-((. You dont necessarily go further, but you will be riding and climbing faster. I also have Commencal 2021 meta power sx. Can someone make a bike with 50% - 100% assist? Easy fix. 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? Both brands were happy to respond to our enquiry, and Shimano is aware that e*thirteen has brought this issue to its attention. 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%. You miss that obscure offering from Specialized? Our drive units are not tested for use with third party crank arms.. 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. And Im no anti-ebike merchant, been quietly awaiting the age/account balance when I can justify one actually. 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. Furthermore, the range estimation is more accurate in our experience too. oooof! 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. The Pivot Shuttle, for example, employs a huge 726Wh battery made by a third party company called Darfon. The sign of a true technical rider. What is Shimanos take on e*thirteens metallurgic analysis findings? 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. One note on range Shimanos range estimation is not reliable. 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