It isnt a huge difference, but sometimes its just enough for your rear wheel to make it up and over a stubborn tree root or rock ledge. I swapped wheels but didn't realize I had to swap the magnet from the rotor bolts that was connected to the speed sensor in the software. 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. Their new ride algorithms make the EP8 one of the most natural feeling motors out there, with plenty of power to propel the bike over obstacles, even if Bosch and Brose are still a bit punchier and deliver slightly more power. it's been quite awhile and still no fix . Well, maybe, but he also chucked 20kg dead weight in his bag to try to make things right for you. On my e8000, my impression was (now on a Trek Rail w a Bosch gen 4) that if you were at two bars, you were really at one, and if you were at one, youd better be a couple of blocks from home. I had the same issue with my Yamaha but it was last winter. "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. Don't worry: "Every time you start your pitchfork, it resets into 'no stab' mode. 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. 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. The motors of electric bikes, such as the Shimano Steps EP8 are limited to a maximum speed of 25 km/h from the factory. 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. People know you're not running some old E8000 or E7000 motor. Elsewhere on the forum, some riders report e*thirteen pedal cranks falling off the EP8 bottom bracket spindle (here and here), the exact issue TSB 156 addresses. Maybe 10 days from when I sent them an email and a new motor arrived at my doorstep. Thanks to lightweight magnesium components, Shimano has shaved off a cool 200g of weight making it one of the lightest electric bike motors on the market today. Ive only charged 2x. Why so delicate, bro? 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 :-((. The Bosch motor produces the same 85Nm peak torque output as Shimano EP8, and it offers a similarly drag-free ride quality beyond the 25km/h cutoff due to the motor decoupling from the cranks. I despise young people buying ebikeswhat a bunch of lazy. JavaScript is disabled. 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. Now, we're not going to be working on the actual. But to give you some numbers, weve consistently achieved around 1,500m of climbing during our 30-50km test rides. Bunny hops were absolutely a blast on this bike. I have ridden ebikes great fun,addictive, you gain some things , but lose some things as well, like all bikes a compromise. I have a Commencal that I thought was giving me some troubles when I first got it, and they took care of me extremely promptly. Once again still want to know; is the BB replaceable on these units yet, or are they still landfill waiting to happen? @tomdesoals: That excuse that Shimano put out by their customer service dept . I don't know anyone that likes a bike that rattles in any way or form. How stuff like this gets through what I would like to think was extensive testing I will never know. 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. Its also given us plenty of opportunity to identify all the little quirks, while getting a better impression of long-term durability and performance. Seems quite useful for when pushing the bike up these impossible climbs. Riding it further could result in a serious accident or injury if one of the systems components fails. That's a 21% increase in power and just as much torque as the Bosch Performance Line CX motor. Pros - extremely quiet Cons - annoying rattling noisesums up 2020! There are a lot of factors that influence range including rider weight, tyre choice, trail conditions, and elevation. This data covers comprehensive third party metallurgical analysis in addition to results from a rigorous test battery of corrosion testing combined with ISO Fatigue. 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. 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. That would be awesome to do laps on. 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. 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. 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. if we need that extra push over the cliff, you know what we do, we charge it up to 11. 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. 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. February 22, 2021. 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. This will be a far more accurate method for determining your estimated range. You can't imagine what kind of thought must have gone behind that response? An E-bike with 200 watt power assist, 350 WH battery, and total weight of bike under 34 lbs. As in, we totally forgot about it altogether. By Ralf Hauser The clicking sound has no effect on the function or durability of the drive unit. Didn't think I'd ever see that. 3. A dynamo and regenerative braking is the ONLY thing stopping from buying an e-bike? On top of that, Shimano also appears to be cool with brands building their bikes with non-Shimano batteries. The Shimano EP8 RS motor, the key to the experience. 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. Cargo Take the load off and breeze past traffic jams Commuting Upgrade your urban lifestyle Active Get sportier in the city SHIMANO CUES Di2 Our all-new SHIMANO CUES Di2 inspires a more active and sportier lifestyle while making commutes less stressful so you can focus on the road - and the ride. Power less, battery smaller, it lighter is.. Would "every time you push the on switch" have been more understandable? That kind of thing can destroy a company's reputation even if it's not something serious . What can consumers expect to happen if their EP8s spindle fails? Any rider who owns an ebike with an EP8 motor fitted with e*thirteen cranks currently has two options. In comparison, the MasterMind TCU display on the new Specialized Levo offers a significantly more customisable and overall user-friendly experience. This reduced the tendency for the front wheel to lift on really steep tech climbs. Too hot to handle even. 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. Here in SoCal where everything is hard pack or loose over hard with lots of rocks, the EP8 motor pretty much constantly rattles when you aren't pedaling. Along with a new larger 630Wh battery option, plus updated hardware and software, Shimano certainly hasnt held back with its much-anticipated return fire on the highly competitive and fast-moving electric mountain bike market. I'm sure a dynamo can be integrated somehow with the hub rotations without causing a lot of drag. If possible, repeat this ride on the Eco and Boost modes too. When they start looking (and weighing closer to regular trail bikes then I'll consider. It doesn't feel good. 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. 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. Aim for a cadence between 70-90 RPM for maximum efficiency and response from the motor. You've been subscribed to our newsletter. I've spent some time on this motor and it's one of the first to feel organic in the way it adjusts to the rider's pedaling. 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. The sound is the same, the motor works but you just hear it spinning. We haven't really got an opinion about durability. Furthermore, the range estimation is more accurate in our experience too. 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. The DIODE has the Shimano E8000 motor and both bikes regardless of motor specs and differences do one thing really, really wellthey make riding FUN! I think we lost grit when we all got smart phones. That rattling feeling comes from one way bearing. 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. LEARN MORE Latest stories View all stories After downloading the free E-Tube Project app, youll need to turn the bike on and pair it with your smartphone. 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. And just read any car review of the blend between regenerative braking and hydraulic, then decide whether you want a computer deciding to regen as you roll off a drop regen braking is pretty much impossible on an ebike as it requires the use of a direct drive motor. Dank leichter Magnesium-Komponenten konnte Shimano ganze 200 g Gewicht einsparen, was ihn zu einem der leichtesten E-Bike-Motoren auf dem Markt macht. You still have the three basic assist modes: Eco, Trail and Boost. Still, the performance in the adaptive E-MTB mode is excellent, with smooth and flexible power delivery, and riders wanting plenty of grunt will certainly dig the Bosch motor. 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. On one ride with the Canyon Spectral:ON, the range estimation initially showed 25km. And we certainly wouldnt be upset if Shimano could quieten down the clacking noise. The newly shaped buttons on the EM800-L switch unit provide a nice tactile perch for your thumb to quickly flick between those settings. These findings are the result of an independently commissioned investigation by e*thirteen, after the brand became aware of reports that EP8 spindles were failing on bikes fitted with its ebike cranks. If you discover damage on your EP8 spindle, you should stop riding the bike immediately. The lowest setting sees the motor responding slower to your pedalling inputs. Now well point out here that the Bosch Gen 4 motor exhibits a similar metallic clacking noise, since its internal gear system also employs a clutch. The downside for Bosch is that its display options leave a lot to be desired. There are no reported cases of spindle breakage of DU-EP800 when assembled with Shimanos cranks. What is rattling? For a mechanic, mechanical noise is a no-no by the end of the ride Id be destroyed mentally! "but since I have to hit the small button repeatedly when my battery charge becomes critical on some rides". It's a similar level of feeling to Gen. Recalled but still was delivered with the rattle. Chuckle. - Lightweight and small form factor Wait until you see how much work it takes to replace rear derailleur housing! Bikers Edge in Kaysville Utah hooked it up and took a motor off their demo heckler mx and put it on mine. Though the new EP8 motor is claimed to be more efficient than its predecessor, there is of course more power too. Yeah, that's pretty poor! Oh man, so that must mean you know of rigs they've received that they've not done first rides and then field tests on. The current spares situation is shocking, l've been waiting six weeks for a battery lock for my E8000 equipped Kona and have been told "June" is the earliest l can expect to see it. 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. Same with brose 2.1 & their motor failures. That rattle would drive me bonkers. This is a real review with details and pros and cons. Overall its a vastly neater execution compared to the likes of Bosch and Yamaha with their Kinder Surprise-style switch units. Nothing like on an ebike. 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. Along with the EP8s magnesium casting, heat sinks and polished logos, it affords a classy look not an easy feat for an e-MTB. However, you do pay for all that refinement and integration. 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. Shimano has put its long-running Steps E8000 format to pastor and heralds in its EP8 motor unit for 2021. So then it gets really confusing as it seems like the first bar lasts 30% and the last one 10%. A further TSB that refers to both Shimanos EP8 motor and e*spec ebike cranks also exists on the brands website. Quote Start New Topic Post a reply to: SHIMANO EP8 - won't turn on (new bike) 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. Can I give 100 upvotes please? IMO we're still in the pilot phase and have a lot of room for improvement. The complaints of charge bars on the display and the bike starting without any assistance are non issues for me. But even then it is still quieter than my saddle bag bouncing around. The ability to customize the boost is very useful, with Shimano's app you can dial it in to your preferences. He started racing downhill at the tender age of 11 before going on to compete across Europe. In a closed Facebook group called Shimano EP8 Owners, there are also reports of EP8 spindle failures. Purchased an SC Bullit in march and I now have 520 miles on it. As they say, power is nothing without control. e-bikes remove the only non-financial barrier for entry into a sport that historically required at least some small amount of fitness. 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! Just imagine if i had bought a Shitmano Ebike. Plus the prices will drop as the tech becomes cheaper and can be offered at lower prices. Meanwhile, e*thirteens response places the ball firmly in Shimanos court. 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. Alex moved to Morzine in the French Alps at 19 to pursue a career as a bike bum and clocked up an enormous amount of riding. The Shimano EP8 user interface is similarly elegant in its design. 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. The cheapest Specialized Levo is the Expert model, which sells for just shy of $16K. 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. I wish real bike reviews were this detailed. That Shimano response was pure gold. Is this a review for ants? I have this motor. But please don't anyone kid themselves that it's as much of a work out as an analogue bike, if there was no mechanical advantage over analogue what would be the benefit. Click on a component to learn more. 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. 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%. 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.

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