shimano ep8 motor problems

Still, that clutch design means it is impressively drag-free beyond the cutoff point. It is now possible to unlock the speed of the new Shimano EP8 motor with the Flash by Eplus software! @tomdesoals: Yeah, I get that now that bikes have become more silent anything new that makes noise can become annoying. Its easy to modulate via how much pressure youre putting through the cranks and the power delivery is progressive, giving it a very natural feel as a result. Commencal which has sold a number of its Meta Power electric bikeswith an EP8 motor and e*thirteen crank combination replied to our inquiries. Both bikes were fitted with e*thirteen cranks. What can consumers expect to happen if their EP8s spindle fails? Good thing with Shimano is warranty,at least here in Madrid is almost instantaneous. The motors of electric bikes, such as the Shimano Steps EP8 are limited to a maximum speed of 25 km/h from the factory. Also the bikes will be heavy as f*ck with an 820Wh battery. The cheapest Specialized Levo is the Expert model, which sells for just shy of $16K. Rattling noise, you've seen (or heard) any of the Semenuk RAW100 videos? 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. Our drive units are not tested for use with third party crank arms.. Limiting the maximum torque is something youll notice more at low cadences in high-load applications rather than general trail riding. Shimano also claims this issue is entirely isolated to non-Shimano cranks, stating it is aware of 49 reported cases of spindle failure. 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. 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. Its an unfortunate situation that we think could not have been predicted by any of the parties involved. In the lower settings, youll have to pedal really hard to get maximum support the motor. Stay tuned, as well have an Orbea Rise test bike arriving very soon. 3. You've been subscribed to our newsletter. You dont necessarily go further, but you will be riding and climbing faster. 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. 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 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. Here youll find three sliding scales for each of the three assist modes (thats Eco, Trail and Boost). Yeah but who needs all that power? I think we lost grit when we all got smart phones. For a lighter pedal feel than the E8000, the one-way bearing has reduced its rotational resistance, creating a free play. If possible, repeat this ride on the Eco and Boost modes too. Another bike that features Shimano EP8 is the new Orbea Rise. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. I can only hear any motor rattling when I am doing really gnarly rocky downhill. It's kinda frustrating. Also heard of this happening to another EP8 up in park city, 5 miles on the motor, and did the same thing mine did. By Ralf Hauser - Can we have remaining battery displayed as a percentage please? Alex Evans is BikeRadars senior mountain bike technical editor. Just got my first 29er. Please, It appears you're using an old version of Internet Explorer which is, the 471.5mm rear centre on the Giant Trance X E+, that achieves the most discreet integration, the MasterMind TCU display on the new Specialized Levo. Appreciate the level of detail in this article, good work. 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. Side-by-side, the EP8 motor is slimmer around the belly and so offers a skerrick more ground clearance. These combinations meet our strict and exacting quality standards. 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. Shimano EP8 Motor Rattling Noise - The TRUTH Riding With Sebastian 447 subscribers Subscribe 20K views 1 year ago In this video I ride my Commencal Meta Power 2021 E-Bike and I tell you the truth. Can they make it swappable with a gear box? You can't imagine what kind of thought must have gone behind that response? 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. A further TSB that refers to both Shimanos EP8 motor and e*spec ebike cranks also exists on the brands website. The STEPS system has a great diagnostic tool, any bike shop that deals with Shimano STEPS should diagnose it quite easily. No, you're running the latest EP8. 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. Seeing if anyone else out there has had problems with their EP8. That rattle would drive me bonkers. 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. How many instances of this problem has Shimano encountered? As to how the de-tuned EP8 motor performs? Well, maybe, but he also chucked 20kg dead weight in his bag to try to make things right for you. 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. Try to tackle crazy steep tech climbs. Anyone having problems with the charger? Smaller:Compared to the previous model, the EP8's volume has been reduced. Save 30% + G-Form Pro X3 Knee Pads when you subscribe to MBUK magazine. Probably more than some rattle. Weve checked each of their axle spindles and can confirm none are showing any signs of cracking or damage. That just isn't real world riding though, you just don't spend all your time in boost mode. Its almost as if the battery drains faster in that final 20%. Make sense. A forum community dedicated to Mountain Bike owners and enthusiasts. Ebikes are cool but not quite refined enough to jump in yet. One note on range Shimanos range estimation is not reliable. Simply enjoy what you are riding and watch the world, I should say, e-bike world, pass you by, as they are here to stay and while they are not perfect they are probably the best and most exciting thing to happen to the bike industry in 50 years! Oh, how the humorous aspect of your comment has been missed. A little more overrun from the EP8 motor, and even the option to tune that attribute via the E-Tube app, would be stupendous! Are we ignoring the fact that motor has been recalled/reworked by Shimano, and pushing all new bike deliveries by two months (at least)? My take away besides the obviously pro/con talking points was the weight of the bike. The new motor, called EP8, is 10 percent smaller and is a lot lighter. So far so good. 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. Those Merida ebikes ride quite good too. Didn't think I'd ever see that. Its clear why this motor is becoming popular with so many bike brands, given the flexibility it offers frame designers, particularly with the variety of battery options on offer. 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. No, not at all. Also did some trail work. If you are disabled and need a motor on your bike in order to ride, I understand. The most prominent reports of EP8 axle failure exist on two EMTB forum threads. Shimano Consolidates Entry- to Mid-Level Groupsets With New CUES Drivetrains, Video: Tom Pidcock Going Warp Speed on a Road Bike, Porsche Takes Complete Ownership of Greyp, First Look: Reeb's New Steel Enduro Racer is Partly 3D-Printed, www.gumtree.com.au/s-ad/wanneroo/bicycle-parts-and-accessories/men-s-petrol-bike-mountain-bike-/1259285475, www.cyclevolta.com/story/ebike-components/hold-up-shimanos-new-emtb-motor, www.avdweb.nl/solar-bike/solarbike/maxun-solar-bike. 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. This data covers comprehensive third party metallurgical analysis in addition to results from a rigorous test battery of corrosion testing combined with ISO Fatigue. And we certainly wouldnt be upset if Shimano could quieten down the clacking noise. 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 at all. Start with a full battery, select the Trail mode, and see how far you can go before you run out of juice. The sound is the same, the motor works but you just hear it spinning. Not the first time Shimano has screwed the pooch with recent launches. Assistance Character This adjusts the motors support level, which is how easily the motor delivers its power based on your input. 2b - If threadlock patch is present, move on to step 3. the rattle it because the sprag bearing that used to be used in most motors has been replaced by DT swiss style star ratchet drive rings. They must be under pressure to deliver units as this is at best rushed. Only the Levos belt-driven Brose drive unit beats EP8 in terms of motor noise. 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. In terms of improvements, EP8 is marginally lighter (300g) and smaller in volume (10%) over the old E8000 motor. What's left is just a plain old mountain bike with a weight around 14kg. 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? My first thoughts are that the disengagement part of the motor that allows it to pedal freely after 20 has already broken. Let us know what you find out. Power less, battery smaller, it lighter is.. Would "every time you push the on switch" have been more understandable? 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. The compact size and a magnesium casing helped cut 300 grams. The investigation has led e*thirteen to produce technical service bulletin 157 (TSB), published on its website on 14 October 2021. Sometimes that means a DIY fix and other times it can mean a recall, software update or part replacement by a dealer. I have the EP8 on a Commencal Meta Power. Im the worlds biggest ebike fan & I quite agree. 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. 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? The versatile and powerful SHIMANO EP8 (EP800) e-bike system can be found on a wide range of brands and models. I also have a YT Decoy with Shimano E8000 motor. 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. - Low-drag performance - High quality display & controller Don't worry: "Every time you start your pitchfork, it resets into 'no stab' mode. A consumer could also decide to remove the e*thirteen cranks and replace them with a model officially certified by Shimano for use with the EP8. 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. We asked Shimano and e*thirteen for comment on the spindle cracking issue. 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. The belt-driven design is also a touch quieter when pedalling, and theres no clacking noise either. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. 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. If thats the case for you, start at Level 5 and work your way down a notch at a time. The question of what happens with this combination is for the manufacturer of that combination to answer.. All the grit is gone because it's clearly stuck between your bitter little arse cheeks.. The noise is easily demonstrated if you pick the back wheel up a few inches off the ground and let it come back down. I run the previous version steps e8000 and I think it's brilliant. Is this a review for ants? Do you think it could be only an issue with Carbon frames then? My Bullit died after 80 miles - same symptoms you describe. Can we get reviews this in depth for regular bikes? The brand told us it was aware of the spindle issue and has been in contact with both Shimano and e*thirteen about it. 2c - If preload cap has no threadlock patch pre applied: The Kiox head unit has a nice colour screen with plenty of useful data on it, but were not sold on the magnetic attachment and the fact that the motor wont turn on without the head unit. What settings you end up will depend on your personal riding style, and your expectations of range and power output. this dude knows how to write a review, well done. Ive only charged 2x. I find the author of this article is overly picky. Plus integration looks like shit on those Nox bikes. [The] topic has been closed from Shimano[s] side but e*thirteen is still investigating with independent labs.. I thought ebikes were supposed to enable us to do more fun stuff in less time. Thus, I could ride a few feet with power then the motor would cut off. 214 Save 30% + G-Form Pro X3 Knee Pads when you subscribe to MBUK magazine. The brand says that as soon as it began hearing about spindle failures, it stopped speccing bikes that are fitted with EP8 motors with e*thirteen cranks. The touch points are all up to typical Shimano standards of quality, though we would like to see improvements to the functionality of the display unit, notably having battery life shown as a percentage. 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. Would you like to receive offers, updates and events from BikeRadar and its publisher Our Media Ltd (an Immediate Group Company)? 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. Damn, sorry to hear this especially since I own the same bike! 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. Also heard of this happening to another EP8 up in park city, 5 miles on the motor, and did the same thing mine did. In the higher settings, the motor will deliver maximum power without you having to pedal very hard at all. 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). What Type of Mountain Bike Should You Buy in 2023? 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 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. Yes, we understand how and why spindle breakage may occur when some non-Shimano cranks are used with our DU-EP800 drive unit. But would the noise stop us from recommending an EP8-equipped bike? The Levo SL? I have a gen 3 and it's totally quiet when coasting . 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. 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. - Range estimation is not reliable. Shimano has put its long-running Steps E8000 format to pastor and heralds in its EP8 motor unit for 2021. Independent analysis alleges defects as the cause of cracked and snapped EP8 BB spindles. 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. "Unquestionably, Shimano has the cleanest and sleekest display integration on the market". Though the new EP8 motor is claimed to be more efficient than its predecessor, there is of course more power too. Aim for a cadence between 70-90 RPM for maximum efficiency and response from the motor. You still have the three basic assist modes: Eco, Trail and Boost. 2. Der Shimano EP8 ist kleiner und leichter Nicht nur das Motorgehuse ist kleiner, auch das Innenleben des EP8 Motors. We have shared the results with Shimano and select OEM customers. If youve experienced a Shimano EP8 bottom bracket spindle failure, let us know in the comments below. I found this beauty as an example: The reviewer weighs 55kgs. Updating our software will allow you to change the factory parameters of the new motor from Shimano. Maximum Torque This allows you to limit the maximum torque, with 10 levels of adjustment from 20 Nm to 85 Nm. Most brains will be capable of doing this, as the noise in question isnt actually signalling a fault with the motor. Sources at numerous ebike suppliers have told Cycle Volta this week that releases of new EP8-equipped electric mountain bikes are being held up, on Shimano's direction. What ever happened to grit?!?! A bit like chain slap when you don't apply force on the pedals. 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. 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. 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. My local rides average 30-35km with just under 1km of climb. And with brands such as Merida and Canyon making use of internal wiring through the handlebars, the whole arrangement is quite tidy. 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. @tomdesoals: I don't quite get it though. Posted Oct 21, 2020. Its worth noting that Bosch motor is only compatible with Bosch battery options though. The low profile EM800 display takes up minimal space next to the stem, featuring a crystal-clear screen with colour-coded graphics to easily identify which assist setting youre in. 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. I also have Commencal 2021 meta power sx. If consumers use the recommended cranks, there should not be any issue this combination meets our strict and exacting quality standards. Shimano also claims this issue is. On the trail the tone of the clack is a little deeper than the EP8 drive unit, but the cause is the same. When they start looking (and weighing closer to regular trail bikes then I'll consider. You miss that obscure offering from Specialized? The thing is though, you do actually get used to that noise. Once paired, find the Customise menu and select Assist. If you have a problem you can reapair it very quick. Having spoken with other long-term EP8 and Bosch Gen 4 users, it would appear that for many riders its a non-issue. 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. Funny that Shimano now budget e-bike motor builds? I had this happen on my Orbea Rise but with different circumstances. It's really, really quite quiet. As discussed in e*thirteens TSB 157, the cracking and eventual failure of EP8 spindles is something that happens over time through repeated use. 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. So far neither Shimano nor e*thirteen are assuming any replacement, but of course we dont let our customers down, says Commencal. However, all are fitted with Shimano cranks. 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. Does Shimano know why the spindles are snapping? Climbs really well and descends like a beast. I have tested a few ones and to me best one is Specialized in terms of ridding feeling and refinement. That Shimano response was pure gold. It is a feature bro, the sound of pure class. 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. I despise young people buying ebikeswhat a bunch of lazy. 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. I had the same issue with my Yamaha but it was last winter. Simply enjoy what you are riding and watch the world, I should say, e-bike world, pass you by, as they are here to stay and while they are not perfect they are probably the best and most exciting thing to happen to the bike industry in 50 years! Now I have $10k garage ornament that I can't ride for 3 months. This speed may be enough, but some people may find it very frustrating because from 25 km/h they have to make a gigantic effort to follow their teammates since the assistance is cut off or simply because they want to go faster. I've had a go on ebikes and think they're fantastic and good fun. Pros - extremely quiet Cons - annoying rattling noisesums up 2020! 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. Wait, 23-27kms? However, when coasting on rough terrain the unloaded system can exhibit a 'NORMAL' clicking sound that may be detectable to the rider. These motors have Cadence sensors as well as torque sensors. "but since I have to hit the small button repeatedly when my battery charge becomes critical on some rides".

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