Some say it's unreliable with a high risk of getting bricked. I have the EP8 on a Commencal Meta Power. Having spoken with other long-term EP8 and Bosch Gen 4 users, it would appear that for many riders its a non-issue. It even surpasses them in terms of noise (very quiet under load) and weight. I rode an e bike and suffered a little bit yesterday. 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. 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. While there were limited options to tweak the levels of the old E8000 and E7000 motors, EP8 takes it to the next level, allowing riders to alter the motors torque, acceleration and general on-trail character, resulting in a more personalised experience for dialling your e-MTB in for your riding style and terrain. Shimano doesnt state what those design differences are, however. quieter(+) smaller(+) lighter(+) more power(-) battery range(=). @tomdesoals: I don't quite get it though. LEARN MORE Latest stories View all stories 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. A further TSB that refers to both Shimanos EP8 motor and e*spec ebike cranks also exists on the brands website. 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. Not the first time Shimano has screwed the pooch with recent launches. However, we couldnt get the display to pair with our Wahoo ELMNT Roam head unit. The investigation has led e*thirteen to produce technical service bulletin 157 (TSB), published on its website on 14 October 2021. 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. According to the TSB, only Shimanos EP8 motor is affected. The Shimano EP8 user interface is similarly elegant in its design. Hopefully this option will open up to non-Garmin users in the future. The belt-driven design is also a touch quieter when pedalling, and theres no clacking noise either. 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. My local rides average 30-35km with just under 1km of climb. Any rider who owns an ebike with an EP8 motor fitted with e*thirteen cranks currently has two options. 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. Just imagine if i had bought a Shitmano Ebike. 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. Well, maybe, but he also chucked 20kg dead weight in his bag to try to make things right for you. Is this a review for ants? Improving performance on undulating terrain, Shimano has also increased the EP8s available torque at lower cadences. 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. It also depends on the bike too. Some claim it's a dangerous motor that suffers spindle failures. These motors have Cadence sensors as well as torque sensors. Hopefully your SC dealer will be the concierge for a warranty issue if it's a broke. The reported cases of drive unit spindle breakages on our DU-EP800 drive units were combined with non-Shimano cranks. 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. Why don't you just make 10 be the top number and make that fully charged? Otherwise I do not care. 5Nm doesnt sound like much on paper, but on the trail the Levos 2.2 motor is noticeably musclier than Shimano EP8, particularly at the extreme ends of the cadence spectrum. This will be a far more accurate method for determining your estimated range. Sell it to me, bet ya cant specially at a respectable 90 keys. However, when coasting on rough terrain the unloaded system can exhibit a 'NORMAL' clicking sound that may be detectable to the rider. If you don't like e-bikes for whatever reason, you really have no business even commenting on this review. I've already posted this on the Commencal Meta SX Power thread, but wondered if other bikes with the Shimano EP8 motor and battery have seen a similar problem. You can hear the motor spinning and attempting to assist, but no power is delivered. Bikers Edge in Kaysville Utah hooked it up and took a motor off their demo heckler mx and put it on mine. 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. What is Shimanos take on e*thirteens metallurgic analysis findings? Our drive units are not tested for use with third party crank arms.. Subscribe to Cycling Plus from just 13.50 and get a Lezyne Pocket Drive Pump, worth 29! Hopefully we will have a system with little weight penalty in a few years. I'm sure a dynamo can be integrated somehow with the hub rotations without causing a lot of drag. So that would include rocks, hops, trackstands but also sudden boosts from a standstill. Not a big Chan e but worth a look. The Levo SL? The clicking sound has no effect on the function or durability of the drive unit. Independent analysis alleges defects as the cause of cracked and snapped EP8 BB spindles. Its mostly apparent when freewheeling down really rough trails, but weve been able to detect it when the motor is engaging and disengaging around the 25km/h cutoff on the road, and while cruising over washboard bumps on mundane fireroads. 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 existing Shimano E8000 motor is arguably the most popular motor in mountain e-bikes. The metallurgic analysis was conducted to discover root cause. Again, shift it down one notch at a time to get a feel for the change. The downside for Bosch is that its display options leave a lot to be desired. I also got it second hand as I just can't afford new. It is the most underrated comment ever on the pinkbike. I'm not an ebike hater - but (you knew it was coming) - I can't ever see myself being able to justify the expense of one and I wouldn't like to risk a second hand one. The noise is easily demonstrated if you pick the back wheel up a few inches off the ground and let it come back down. - Numerous battery options, both from Shimano & 3rd parties Posted Oct 21, 2020. The Shimano EP8 RS of the Orbea Rise does not present physical differences concerning the EP8 that we can see mounted on other e-mtb's. Its dimensions and weight are the same. You dont necessarily go further, but you will be riding and climbing faster. - Strong but very well-tuned power delivery It's kinda frustrating. The new EP8 drive unit provides incredibly quiet assistance under pedal load. Wowzers! Just remember to manually unpair your phone from the bike before you start riding again, as the motor wont engage while the system is paired to the app. And you can take the motor together with a battery out in matter of seconds. Quick everyone, it's another article about e-bikes grab the pitchforks! Can I give 100 upvotes please? I want to use the Shimano EP8 motor for a small production of solar bikes. This reduced the tendency for the front wheel to lift on really steep tech climbs. As to how the de-tuned EP8 motor performs? The biggest change has been with Trail mode, which now gives you access to the full 85Nm of torque if youre pedalling hard enough. it's been quite awhile and still no fix . Along with the svelte carbon frame, that helps to reduce the total bike weight to as low as 16.2kg, creating a potentially worthy adversary to the Specialized Levo SL. So this one article, about this one e-bike, says to you that ALL e-bikes lack refinement and therefore aren't worthy of you gracing them with your holy ass? Quote Start New Topic Post a reply to: SHIMANO EP8 - won't turn on (new bike) Weve checked each of their axle spindles and can confirm none are showing any signs of cracking or damage. dont think people would fancy riding a fixie down a trail. Couldn't agree more. I have a gen 3 and it's totally quiet when coasting . After downloading the free E-Tube Project app, youll need to turn the bike on and pair it with your smartphone. The most prominent reports of EP8 axle failure exist on two EMTB forum threads. 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 what you see is what you get. 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. Aim for a cadence between 70-90 RPM for maximum efficiency and response from the motor. @tomdesoals: Ah, thanks I get it. You still have the three basic assist modes: Eco, Trail and Boost. Same with brose 2.1 & their motor failures. Since working for MBUK, Alexs focus has moved to bike tech. On top of that, Shimano also appears to be cool with brands building their bikes with non-Shimano batteries. - Low-drag performance Though the new EP8 motor is claimed to be more efficient than its predecessor, there is of course more power too. The Shimano EP8 RS motor, the key to the experience. Shimanos battery flexibility certainly presents a significant advantage over the likes of Bosch, which is much more limited with its battery options. The ability to customize the boost is very useful, with Shimano's app you can dial it in to your preferences. I have ridden ebikes great fun,addictive, you gain some things , but lose some things as well, like all bikes a compromise. is a broken record . I also have a YT Decoy with Shimano E8000 motor. 3. if we need that extra push over the cliff, you know what we do, we charge it up to 11. Click on a component to learn more. 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). Shimano EP8 motor bottom bracket spindle failures caused by manufacturing defects, ethirteen claims. In the higher settings, the motor will deliver maximum power without you having to pedal very hard at all. "- Only five power bars for charge level.". That is, spme pretension or a clutch like system. 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. We need to go deeper. But even then it is still quieter than my saddle bag bouncing around. oooof! Their heckler had complete battery failure, the ship date for a new one is close to the motor ship date. Another bike that features Shimano EP8 is the new Orbea Rise. Why so delicate, bro? Does Shimano know why the spindles are snapping? e*thirteen recommends inspecting Shimano EP8 motor spindles to ensure no cracks are present before riding any EP8 equipped bike again and in doing so have provided a step by step process for doing this with images and instructions below. We hope Shimano will join us at that table soon.. Occasionally it can feel a little peakier compared to EP8, but for the most part both motors are easy to get used to within a few rides. Specialized is close to this. What this article says to me is that ebikes are no where never the level of refinement that I would require to give up a normal bike. e-bikes remove the only non-financial barrier for entry into a sport that historically required at least some small amount of fitness. I've never heard the rattling noise that has been posted in the early reviews - the motor is super quiet, so it looks to me like much ado about nothing. If in doubt about such components, we recommend speaking to your bicycle manufacturer.. Certainly of all the full-power motors weve tested, Shimano EP8 affords the most seamless feel as the power fades in and out around the assistance cutoff. The sign of a true technical rider. Side-by-side, the EP8 motor is slimmer around the belly and so offers a skerrick more ground clearance. Are we ignoring the fact that motor has been recalled/reworked by Shimano, and pushing all new bike deliveries by two months (at least)? 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. We like to setup Profile 1 with softer settings for maximum range when riding solo, and Profile 2 with the punchier factory settings for faster e-MTB group rides. Stay tuned, as well have an Orbea Rise test bike arriving very soon. This adjustment has the biggest impact on the motors performance and your total range. 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. The lowest setting sees the motor responding slower to your pedalling inputs. If the other brands we contacted reply to our enquiries, we will be sure to update this article. 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 Save 30% + G-Form Pro X3 Knee Pads when you subscribe to MBUK magazine. There are 10 levels of adjustment, from Eco to Powerful. 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. - High quality display & controller Hey Ralf Hauser!! I own the Levo SL, and it is the most refined ebike I have ridden so far. 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. However, all are fitted with Shimano cranks. 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! Can someone make a bike with 50% - 100% assist? No, but the best on the market IMO. 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. 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. Its considerably bulkier than Shimano EP8, dominating the Levos frame profile while also putting limitations on rear wheel clearance. 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. Still, that clutch design means it is impressively drag-free beyond the cutoff point. At 52+ lbs, you're going to be using that motor every pedal stroke. That's it, no recall, but I'm happy to be corrected if I'm wrong. For riders scoping out bigger rides than that, youll want to consider dialling down the Assistance Character to improve efficiency. Furthermore, the range estimation is more accurate in our experience too. Also worth noting is that you can create two riding profiles, which you can alternate between via the menu and push-button on the display. [The] topic has been closed from Shimano[s] side but e*thirteen is still investigating with independent labs.. I read a similar story around christmas on an other forum. 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. The change is affected on our DU-EP800 drive units are not tested for with! 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