shimano ep8 motor problems

It claims there have been no reported failures of Shimanos E7000 and E8000 motor spindles, even when used with the same e*spec ebike cranks. 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. 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. Over the past six months of riding, the Shimano EP8 motor has really impressed us with just how much punch it delivers from such a lightweight and compact package. quieter(+) smaller(+) lighter(+) more power(-) battery range(=). Furthermore, the range estimation is more accurate in our experience too. "but since I have to hit the small button repeatedly when my battery charge becomes critical on some rides". Make it 100 mile range, and I'm in. For a better experience, please enable JavaScript in your browser before proceeding. 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. Otherwise I do not care. The maximum rider support was raised to 400%, compared to the E8000's 300%. There is zero stickiness at the pedals that we could detect. 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. Here youll find three sliding scales for each of the three assist modes (thats Eco, Trail and Boost). In fact, we found ourselves tuning it out completely a couple of rides later. 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 Levo SL? As they say, power is nothing without control. Both bikes were fitted with e*thirteen cranks. (7000km ridden so far). What is rattling? According to Shimano, the EP8 motor offers a 36% reduction in drag over the old E8000 motor, and were inclined to believe that claim. It's a powerful unit with a huge reach, but it has a little problem: it rattles when riding downhill or, simply put, there is no power on the pedals. So that would include rocks, hops, trackstands but also sudden boosts from a standstill. After downloading the free E-Tube Project app, youll need to turn the bike on and pair it with your smartphone. Seems quite useful for when pushing the bike up these impossible climbs. 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. LEARN MORE Latest stories View all stories What can consumers expect to happen if their EP8s spindle fails? 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%. Unfortunately this clutch also produces a metallic clack whenever it rotates back and fourth. The Pivot Shuttle, for example, employs a huge 726Wh battery made by a third party company called Darfon. Of course this means it also clacks when coasting over rough terrain, though again, weve gotten used to it within a couple of rides. Indeed Shimano EP8 is starting to become available across quite a wide range of bikes at various price points. - Strong but very well-tuned power delivery By their own standards of non-assist components, this motor is not worthy of the shimano name. Assistance Start Here you can tweak how quickly the motor responds within the first pedal stroke. 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. Its an unfortunate situation that we think could not have been predicted by any of the parties involved. this dude knows how to write a review, well done. Bikers Edge in Kaysville Utah hooked it up and took a motor off their demo heckler mx and put it on mine. 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 :-((. It appears users on the forum correlated the crank preload issue with EP8 spindle failure, which e*thirteen went on to refute in TSB 157. This is particularly noticeable on traction-poor climbs, even when starting from a standstill. 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. Pros - extremely quiet Cons - annoying rattling noisesums up 2020! Is this a review for ants? 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. All the grit is gone because it's clearly stuck between your bitter little arse cheeks.. 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. Uh oh, another one E-triggered. it's been quite awhile and still no fix . Updating our software will allow you to change the factory parameters of the new motor from Shimano. 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. If a dynamo can be worked into the wheel hubs, you may even get near perpetual charging while the system is in use. As much as I want an emtb right now, I am waiting until the technology is perfected. Unfortunately frenchies and Germans are not masters of marketing. That's it, no recall, but I'm happy to be corrected if I'm wrong. Sell it to me, bet ya cant specially at a respectable 90 keys. Again, shift it down one notch at a time to get a feel for the change. However, all are fitted with Shimano cranks. These motors have Cadence sensors as well as torque sensors. 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. 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. 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). 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. Specialized is close to this. 214 Plus the prices will drop as the tech becomes cheaper and can be offered at lower prices. 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. My local rides average 30-35km with just under 1km of climb. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Wait, 23-27kms? It doesn't feel good. What a misstep by Shimano to join Bosch in its failure. The Shimano EP8 RS motor, the key to the experience. What's left is just a plain old mountain bike with a weight around 14kg. 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. Just imagine if i had bought a Shitmano Ebike. 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. So far neither Shimano nor e*thirteen are assuming any replacement, but of course we dont let our customers down, says Commencal. Wait until you see how much work it takes to replace rear derailleur housing! I feel like I've been missing out on so much! I have this motor. You are not alone. No, you're running the latest EP8. It was one of the most fun bikes to ride. Would you like to receive offers, updates and events from BikeRadar and its publisher Our Media Ltd (an Immediate Group Company)? 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. 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. You dont necessarily go further, but you will be riding and climbing faster. 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. Oh, how the humorous aspect of your comment has been missed. Commencal which has sold a number of its Meta Power electric bikeswith an EP8 motor and e*thirteen crank combination replied to our inquiries. If youve experienced a Shimano EP8 bottom bracket spindle failure, let us know in the comments below. If there is no threadlocker patch, move onto point 2c. February 22, 2021. You can hear it in the workshop just by lifting the rear wheel and dropping it on the ground, where it sounds a bit like a loose pebble bouncing around inside a wooden box. Dont be so lazy, put in the work and suffer a little bit! 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. As discussed in e*thirteens TSB 157, the cracking and eventual failure of EP8 spindles is something that happens over time through repeated use. Start with a full battery, select the Trail mode, and see how far you can go before you run out of juice. 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. Hopefully this option will open up to non-Garmin users in the future. Stab happy!". According to the TSB, only Shimanos EP8 motor is affected. 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. 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. 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. Hopefully we will have a system with little weight penalty in a few years. Alex is also a dedicated eMTB rider, and still dabbles in racing of a sort, doing his best to top the Strava leaderboard on the steepest, gnarliest and twistiest trails the Tweed Valley has to offer just for fun, of course. Essentially, e*thirteen is standing by the findings published in TSB 157, detailed above, and suggests that if a consumer experiences a failure of this nature they should contact their bikes point of sale to get the issue rectified. All I could find is that bike manufacturers are to hold off selling the EP8 until Oct/Nov while they addresses some final issues. For commercial info: info@eplus.bike. Purchased an SC Bullit in march and I now have 520 miles on it. Ebikes are great as a self shuttle, especially for time limited people. Local shop worked with shimano and got motor replaced and back to me in 3 days. Now, we're not going to be working on the actual. Going the right direction in weight reduction. - Available on a wide-range of different e-MTBs, - Clacking noise can be annoying Shimano's EP8 is claimed to have 85Nm of torque and provide up to 500w of peak power, and amplifies rider input by up to 400 per cent. Also the bikes will be heavy as f*ck with an 820Wh battery. We see some comments about how bad the Shimano EP8 motor is. Its also given us plenty of opportunity to identify all the little quirks, while getting a better impression of long-term durability and performance. Those Merida ebikes ride quite good too. Basically, the battery level drops from around 30% to 2% extremely quickly. 1. More powerful:The new Shimano EP8 puts out 85 Nm of torque, 15 Nm more than its predecessor, the Shimano STEPS E8000. I wish real bike reviews were this detailed. This reduced the tendency for the front wheel to lift on really steep tech climbs. 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. -- Wild Bill. Its worth noting that Bosch motor is only compatible with Bosch battery options though. Maybe in a next generation they can implement an optional solution analog to what we're already seeing f bicycle chains. Just kidding! So, when the sensor senses a negative elevation gain, the dynamo kicks in to recharge the battery. JavaScript is disabled. You can't call an e-bike rider lazy when they try to overtake you making this sound. 2a - Using a 5mm hex key, loosen counterclockwise and remove the preload cap. As expected, the new Shimano EP8 motor gets a hefty boost in power, with a claimed maximum torque output of 85 Nm. - Lightweight and small form factor I have never posted a comment here on pinkbike, however this article in particular is hitting a nerve.
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