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. Climbs really well and descends like a beast. The newly shaped buttons on the EM800-L switch unit provide a nice tactile perch for your thumb to quickly flick between those settings. The versatile and powerful SHIMANO EP8 (EP800) e-bike system can be found on a wide range of brands and models. They must be under pressure to deliver units as this is at best rushed. I chose this bike because it has the EP8 and from research, seems to be the most reliable platform out there, assuming it's as reliable as the E8000. This also allows brands to more neatly integrate the motor into their frame designs, Canyon having done a particularly swell job with the Spectral:ON. Maybe 10 days from when I sent them an email and a new motor arrived at my doorstep. What is rattling? it's been quite awhile and still no fix . You can hear the motor spinning and attempting to assist, but no power is delivered. It even surpasses them in terms of noise (very quiet under load) and weight. 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. This occurs if the cap is not correctly tightened or the factory-fitted threadlock hasnt been adequately applied, and if the crank arms pinch bolts arent tightened to their correct torque. 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 had this happen on my Orbea Rise but with different circumstances. First revealed to the world in September of last year, Shimano EP8 finally arrived on the e-MTB scene as the successor to the very popular Shimano E8000 motor. Overall the tuning adjustments are quite noticeable, though wed always recommend only adjusting one parameter at a time to isolate its effect on the trail. 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. They need to get their old skunk works team back together and gain real world feedback before promoting vaporware. It features the new Shimano EP8 motor and a 630wh battery. All I could find is that bike manufacturers are to hold off selling the EP8 until Oct/Nov while they addresses some final issues. Its also given us plenty of opportunity to identify all the little quirks, while getting a better impression of long-term durability and performance. Too hot to handle even. Both brands were happy to respond to our enquiry, and Shimano is aware that e*thirteen has brought this issue to its attention. Basically any minor impact that causes the chain to bounce and tug at the chainring will result in noise. Hopefully we will have a system with little weight penalty in a few years. Theres still a whirring noise from the metallic gears inside, and the pitch increases slightly at higher cadences. 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. On one ride with the Canyon Spectral:ON, the range estimation initially showed 25km. - Numerous battery options, both from Shimano & 3rd parties 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. Currently, I own two e-bikes with a new 2022 Moustache Samedi 26 Fat 4 with the Bosch Motor on its way. 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. So, when the sensor senses a negative elevation gain, the dynamo kicks in to recharge the battery. A dynamo and regenerative braking is the ONLY thing stopping from buying an e-bike? How many instances of this problem has Shimano encountered? The EP8s smooth power delivery is mirrored by its exceptionally low drag something that is totally noticeable (or rathernot noticeable) around the 25km/h cutoff point. e*thirteen is one of the biggest OEM suppliers of cranks on electric mountain bikes. 20ft into my ride and the motor cut out. I suppose pedal assist allows you to tackle the more fun/steep/tech climbs but to be effective it needs to be subtle too. 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. Der Shimano EP8 ist kleiner und leichter Nicht nur das Motorgehuse ist kleiner, auch das Innenleben des EP8 Motors. The brand told us it was aware of the spindle issue and has been in contact with both Shimano and e*thirteen about it. I have the EP8 on a Commencal Meta Power. Probably more than some rattle. The belt-driven design is also a touch quieter when pedalling, and theres no clacking noise either. This data covers comprehensive third party metallurgical analysis in addition to results from a rigorous test battery of corrosion testing combined with ISO Fatigue. Indeed Specialized actually built the new Levo around a mullet setup with a 27.5in rear wheel, in order to shorten the chainstays. This allows bike companies to engineer a single frame, while offering cheaper models with a 504Wh battery, and high-end models with a 630Wh battery. However, all are fitted with Shimano cranks. When they start looking (and weighing closer to regular trail bikes then I'll consider. 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. As expected, the new Shimano EP8 motor gets a hefty boost in power, with a claimed maximum torque output of 85 Nm. Plus the prices will drop as the tech becomes cheaper and can be offered at lower prices. Can never hear it over the sound of the wind rushing by or the trail / wheels noises. 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. That rattling feeling comes from one way bearing. Shimano also claims this issue is. This is part of our COMMENCAL Care program, we consider a warranty case should have no cost at all for any of our customers.. A kilometre later that estimation dropped to 14km, then not long after to 9km, then to 5km, before the motor automatically switched into emergency limp home mode. That would be awesome to do laps on. 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. 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. IMO we're still in the pilot phase and have a lot of room for improvement. Click on a component to learn more. Truly unfortunate you lost it. 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). 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. No, not at all. The maximum rider support was raised to 400%, compared to the E8000's 300%. The actual mechanism works well but is very easy to break, just turn the allen key the wrong way by mistake..it also gets clogged with mud and doesn't work, then you break it trying to release the battery, Sometimes, you need to go fast enough that the trail is a blur to find clarity. And with brands such as Merida and Canyon making use of internal wiring through the handlebars, the whole arrangement is quite tidy. The sound is the same, the motor works but you just hear it spinning. 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 deemed it a warranty and the motor has failed. To replicate field failures, we had to look outside of the required ISO and EN testing requirements as those tests were passed successfully. There is zero stickiness at the pedals that we could detect. We recommend only Shimano cranks for usage with our drive units. That's worse to, because 20kg dead weight doesn't contribute like 20kg of normal, muscle-laden body mass. 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 EP8 is smaller and lightweight It's not just the motor housing that is smaller but also the inner workings of the EP8 motor. What makes me sad is seeing young people hop on the e bike train so that they can go on a longer ride or so that someone who is new to cycling can keep up with their friends who have been riding for years, all to perpetuate needless consumerism and a gross waste of resources. 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. Shimano doesnt state what those design differences are, however. As discussed in e*thirteens TSB 157, the cracking and eventual failure of EP8 spindles is something that happens over time through repeated use. You still have the three basic assist modes: Eco, Trail and Boost. Sign in to manage your newsletter preferences. Lapierre e-zesty. On my older gen Bosch motor with a 500wh battery I can get about 30 miles out of a battery charge if I only turbo up the steepest climbs and do the other bits in low/mid power settings (and I'm about 100kg's / 16 stone which sucks battery). Environmentally I think they're a disaster as well - rare earth elements in the batteries for one thing. In comparison, the MasterMind TCU display on the new Specialized Levo offers a significantly more customisable and overall user-friendly experience. However, you do pay for all that refinement and integration. Perfect? 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. I haven't had the privelage to ride any bosch equiped bikes or other shimano bikes but this thing is so quiet I think it would be hard to find another ebike motor that is more silent. "- Only five power bars for charge level.". 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