I have the EP8 on a Commencal Meta Power. And more power requires more juice. 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? 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. A downside of the 2.2 motor is that it is noticeably draggy above the 25km/h cutoff though something we experienced during back-to-back between the Levo and Canyon Spectral:ON. My local rides average 30-35km with just under 1km of climb. Chuckle. Stab happy!". Purchased an SC Bullit in march and I now have 520 miles on it. 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. @tomdesoals: Yeah, I get that now that bikes have become more silent anything new that makes noise can become annoying. I think the only way it can get even close (And still doesn't) to that statement, is riding 25km on an analogue, or 50km on an ebike. 1. 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. The cause is due to the difference in design from Shimanos crank, which causes increased stress around the spindle hole.. 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. there are no additional ports on the SC-E5003 to connect the switch with. You've been subscribed to our newsletter. I do not have a car. They need to get their old skunk works team back together and gain real world feedback before promoting vaporware. Take note of how much elevation you achieve during those rides (elevation is more important than distance when determining range), and keep that number in mind when youre planning future all-day epics. With the Spectral:ON for example, which has very short chainstays and a relatively slack seat tube angle that puts your weight further over the rear axle on steep climbs, it helped to dial down the Assistance Character (to 6/10), the Maximum Torque (to 78Nm) and the Assistance Start (to 4/5) to soften the bikes power and acceleration. Make it 100 mile range, and I'm in. Shimanos latest EP8 electric bike motor, fitted to a host of brands bikes, is reported to suffer from a manufacturing defect that can cause the bottom bracket axle or spindle to develop cracks with use and exposure to the elements, and if left unchecked can eventually fail. Maximum power output sits at 500W, although the. At my age 69, if it isn't fun, exciting, and challenging, count me out! All you guys "waiting" to get a ebike are blowing it..the bikes are refined trek rail no problems..going around the country slaying every trail I see chugging beer and laughing at all u haters.. believe me I guys will all be on one sooner than later. Let us know what you find out. 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%. 2. While weve certainly been impressed by the power, ride feel and tuneability of the Shimano EP8 system, how does it stack up against the likes of Bosch and Brose/Specialized? Hitting those famous tracks day in, day out for eight years, he broke more bikes than he can remember. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Our drive units are not tested for use with third party crank arms.. 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. I had the same issue with my Yamaha but it was last winter. 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. Ebikes are great as a self shuttle, especially for time limited people. It doesn't feel good. So that would include rocks, hops, trackstands but also sudden boosts from a standstill. Aside from the sound of the clutch, everything else in the "CONS" list can be fixed with software updates. Thanks! 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 biggest change has been with Trail mode, which now gives you access to the full 85Nm of torque if youre pedalling hard enough. Nothing like on an ebike. The Levo SL? - Tuning options are simple and effective Shimanos answers to our questions are published below verbatim. Under this condition, with each ride the crack can expand, and this can result in a spindle breakage.. As they say, power is nothing without control. We need to go deeper. He was pretty happy about ANT compatibility. Truly unfortunate you lost it. e*thirteen is at the table with bike brands to find a mutually acceptable solution that first takes care of keeping people on their bikes. only one port which needs to be connected directly to the motor. Subscribe from just 13.50 and get a Lezyne Pocket Drive Pump, worth 29! As in, we totally forgot about it altogether. Shimano advises that only approved crank arms should be used with its DU-EP8 drive units, reads Shimanos statement. At full charge in Trail mode it says range is 90km or so but I haven't put that to the test on more mellow trail days but am sure others have. If speed and maximum power output is less of a concern though, switching into the factory Eco mode is a sure-fire way to get more ride time expect range to double from those figures above. 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. 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. 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. And you can take the motor together with a battery out in matter of seconds. Both bikes were fitted with e*thirteen cranks. So far so good. So many issues that can be simply solved by not having a motor. All the grit is gone because it's clearly stuck between your bitter little arse cheeks.. I have never posted a comment here on pinkbike, however this article in particular is hitting a nerve. 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. Generally on bikes we spend so little time braking that regeneration would be a waste of effort. For consumers who do have an EP8-equipped Commencal with e*thirteen cranks, the Andorran brand is offering to replace the e*thirteen cranks with Shimano ones, regardless of whether theyve experienced issues with their EP8 spindle or not. We haven't really got an opinion about durability. I thought ebikes were supposed to enable us to do more fun stuff in less time. 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. Weve been living with the Shimano EP8 motor for six months now across three different bikes; the Merida eOne-Sixty, the Polygon Mt Bromo, and the Canyon Spectral:ON. Durability and ease of maintenence is far more important than power in my world. Overall it is a very refined system though. For a mechanic, mechanical noise is a no-no by the end of the ride Id be destroyed mentally! "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. 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. 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. One note on range Shimanos range estimation is not reliable. Shimanos battery flexibility certainly presents a significant advantage over the likes of Bosch, which is much more limited with its battery options. They must be under pressure to deliver units as this is at best rushed. 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. me-bikes: Ibis Exie, Ibis Ripley V4, Ibis Ripmo V2. For the type of riding and trails I do, battery power is not an issue, in fact would look at a smaller battery and weight savings on my next rig. Assistance Character This adjusts the motors support level, which is how easily the motor delivers its power based on your input. The YT Decoy also utilises its own 520Wh battery and the the Orbea Rise is built around a smaller 360Wh battery. Personally, were ok with downshifting and spinning our way up a steep incline its better for the health of your knees, and its likely better for the health of the motor too. Its the Orbea Rise that achieves the most discreet integration however, with a frame that was purpose-built around the smaller EP8 motor, rather than having been retrofitted from a previous E8000 drive unit. I'm 56 with a long term knee injury. Commencal which has sold a number of its Meta Power electric bikeswith an EP8 motor and e*thirteen crank combination replied to our inquiries. Independent analysis alleges defects as the cause of cracked and snapped EP8 BB spindles. The investigation has led e*thirteen to produce technical service bulletin 157 (TSB), published on its website on 14 October 2021. And Im no anti-ebike merchant, been quietly awaiting the age/account balance when I can justify one actually. Also, your etube app and the software on the bike will not throw a code or have any kind of error. Now, we're not going to be working on the actual. Visit the high-res gallery for more images from this review. We bought drive units and crank arms, we are replacing at our cost all damaged parts and are covering labor [and] shipping costs that might occur. The lowest setting sees the motor responding slower to your pedalling inputs. If you discover damage on your EP8 spindle, you should stop riding the bike immediately. A forum community dedicated to Mountain Bike owners and enthusiasts. Additionally, Shimano produces a smaller and lighter 504Wh option, which is also cheaper and helps to bring the complete bike price down see the sub-$8K Polygon Mt Bromo N8 for example. By their own standards of non-assist components, this motor is not worthy of the shimano name. I had this happen on my Orbea Rise but with different circumstances. Seems quite useful for when pushing the bike up these impossible climbs. In terms of improvements, EP8 is marginally lighter (300g) and smaller in volume (10%) over the old E8000 motor. 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. The new EP8 drive unit provides incredibly quiet assistance under pedal load. If that fails check those thin cables have no freys and are all in tact, they are easily damaged. Damn, sorry to hear this especially since I own the same bike! The Shimano EP8 RS motor, the key to the experience. 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. 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. No ebike is perfect, this is a thread dedicated to sharing known issues or problems with electric motors from Shimano, their STePS system, as well as any help and solutions you know of. How stuff like this gets through what I would like to think was extensive testing I will never know. This reduced the tendency for the front wheel to lift on really steep tech climbs. But on the premise of further, faster, more fun, that range at full noise is not gonna outdo the range & fun I get outta my bowl of cereal and some old fashion pedal power. 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. 2a - Using a 5mm hex key, loosen counterclockwise and remove the preload cap. Environmentally I think they're a disaster as well - rare earth elements in the batteries for one thing. What's your experience on this? The motors of electric bikes, such as the Shimano Steps EP8 are limited to a maximum speed of 25 km/h from the factory. My first thoughts are that the disengagement part of the motor that allows it to pedal freely after 20 has already broken. The question of what happens with this combination is for the manufacturer of that combination to answer.. Upon a little digging on the internet, it appears that this functionality is only on offer for Garmin users. Assistance Start Here you can tweak how quickly the motor responds within the first pedal stroke. I'm honestly flabbergasted that people complain about it tbh lol. Animals and Pets Anime Art Cars and Motor Vehicles Crafts and DIY Culture, Race, and Ethnicity Ethics and Philosophy Fashion Food and Drink History Hobbies Law Learning and Education Military Movies Music Place Podcasts and Streamers Politics Programming Reading, Writing, and Literature Religion and Spirituality Science Tabletop Games . However the motor operation itself is fabulous, smooth, powerful, feels natural when you ride, you can cover ground like crazy in this thing. Wed much rather see battery life displayed as a percentage, and the option to customise the screen. 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? For a better experience, please enable JavaScript in your browser before proceeding. You can display way more metrics on it too, and battery is usefully displayed as a percentage. The Good, the Bad, and the Ugly: The Real Bike Weights from PB Editors. 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. 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. With the new EP8, Shimano managed to close the gap to its biggest competitors. Shimano also claims this issue is. @tomdesoals: I don't quite get it though. Thats given us plenty of saddle time to compare and contrast the new motor not only with E8000, but also with the latest Bosch Gen 4 motor and the Brose-manufactured 2.2 motor in the new Specialized Levo. That rattle would drive me bonkers. 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. Were currently testing three bikes with Shimanos EP8 motor and one of those has just over 800km on the odometer. These combinations meet our strict and exacting quality standards. The EP8 RS engine is physically the same as the . 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. From what I get from the article, what would actually bother me more is how it kicks in from a standstill or trackstand. According to the TSB, only Shimanos EP8 motor is affected. When they start looking (and weighing closer to regular trail bikes then I'll consider. - Can we have remaining battery displayed as a percentage please? 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. While the EP8s performance on the climbs is generally excellent, we have occasionally wished for a little more overrun for clearing technical features. 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. Bunny hops were absolutely a blast on this bike. 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. @tomdesoals: That excuse that Shimano put out by their customer service dept . 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. The issue, we've been told, is that the motor body is subject to cracking when the drive is employed as a stressed part of the bike's frame. For a lighter pedal feel than the E8000, the one-way bearing has reduced its rotational resistance, creating a free play. Rattling noise, you've seen (or heard) any of the Semenuk RAW100 videos? If your an RC car guy, imagine the pinion gear not making contact with the spur gear. (7000km ridden so far). 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. What's left is just a plain old mountain bike with a weight around 14kg. quieter(+) smaller(+) lighter(+) more power(-) battery range(=). Annoying rattle, did anyone say that to Shimano when they first introduced the freewheel? Some say it's unreliable with a high risk of getting bricked. I tried to find out the cause of this. 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'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%. Update. Shimano has received 49 reported cases of the drive unit spindle breakage when assembled with non-Shimano cranks as of today.. I think Shimano is taking these issues very seriously. If consumers use the recommended cranks, there should not be any issue this combination meets our strict and exacting quality standards. Plus the prices will drop as the tech becomes cheaper and can be offered at lower prices. And compared to E8000, the new EP8 motor is considerably more powerful on the trail, whilst retaining the smooth and intuitive delivery that weve always dug about Shimanos drive units. 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. This gives a very wide and flexible power band that does well to match what your legs are doing, making this the go-to, set-and-forget mode for proper off-roading. That rattling feeling comes from one way bearing. 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 The existing Shimano E8000 motor is arguably the most popular motor in mountain e-bikes. And you're clearly not pedaling, just pure flow. This will be a far more accurate method for determining your estimated range. The svelte motor casing provides more clearance for the rear wheel and suspension components, allowing brands to build their bikes with shorter chainstays. Their heckler had complete battery failure, the ship date for a new one is close to the motor ship date. The version I've been riding on was 17,8kg. Oh, how the humorous aspect of your comment has been missed. 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. Recalled but still was delivered with the rattle. Stay tuned, as well have an Orbea Rise test bike arriving very soon. Limiting the maximum torque is something youll notice more at low cadences in high-load applications rather than general trail riding. That just isn't real world riding though, you just don't spend all your time in boost mode. The newly shaped buttons on the EM800-L switch unit provide a nice tactile perch for your thumb to quickly flick between those settings. So, when the sensor senses a negative elevation gain, the dynamo kicks in to recharge the battery. 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. In addition to those weve tested, youll be able to find Shimano EP8 on the Santa Cruz Bullit & Heckler, Marin Alpine Trail E2, the Commencal Meta Power, YT Decoy,Pivot Shuttle and Mondraker Dusk. 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. There is zero stickiness at the pedals that we could detect. 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. However, you do pay for all that refinement and integration. 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. 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. Quick everyone, it's another article about e-bikes grab the pitchforks! I also got it second hand as I just can't afford new. 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! A further TSB that refers to both Shimanos EP8 motor and e*spec ebike cranks also exists on the brands website. Drive Unit Display Assist Switch Battery Drivetrain Tackle steep climbs and tough trails with full confidence thanks to 85Nm maximum torque. Going the right direction in weight reduction. February 22, 2021. Great for climbing, on the descents the weight changes how I ride, not better or worse. It was one of the most fun bikes to ride. 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. Having spoken with other long-term EP8 and Bosch Gen 4 users, it would appear that for many riders its a non-issue. I have tested a few ones and to me best one is Specialized in terms of ridding feeling and refinement. Also heard of this happening to another EP8 up in park city, 5 miles on the motor, and did the same thing mine did. Alex is also a regular on the BikeRadar YouTube channel and BikeRadar podcast. I want to use the Shimano EP8 motor for a small production of solar bikes. is a broken record . Its also a very quiet motor when pedalling. 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. With 21% greater torque than E8000, the EP8 motor delivers substantially more punch on the trail, and it feels more usable too. Lapierre e-zesty. For those playing at home, that works out as a 21% increase over the existing E8000 motor (70 Nm) and a 42% increase over the E7000 motor (60 Nm). Yes, we understand how and why spindle breakage may occur when some non-Shimano cranks are used with our DU-EP800 drive unit. 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. 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. - Range estimation is not reliable. I'm sure a dynamo can be integrated somehow with the hub rotations without causing a lot of drag. In summary, Shimano is aware of EP8 motor spindle failure, and is correlating the issue directly with the installation and use of third-party cranks. Some claim it's a dangerous motor that suffers spindle failures. A dynamo and regenerative braking is the ONLY thing stopping from buying an e-bike? Bosch's Performance Line CX equals Shimano's torque,. I can only hear any motor rattling when I am doing really gnarly rocky downhill. Not everyone has the time to grind for an hour up the climb. 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. 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. 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. No mention on the worldwide recall of the motor due to issues? Can't see the equivalent of a ribbed chainstay protector happening. Dont be so lazy, put in the work and suffer a little bit! - High quality display & controller 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. Yeah but who needs all that power? What Type of Mountain Bike Should You Buy in 2023? 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). 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. Thought ebikes were supposed to enable us to do more fun stuff in time. Should you Buy in 2023 resistance, creating a free play would actually bother me is... Is close to the motor ship date for a better experience, please enable JavaScript in browser. Of error e * thirteen cranks the version I 've been riding on was 17,8kg the ride Id destroyed... Hear this especially since I own the same issue with my Yamaha it! Remove the preload cap steep climbs and tough trails with full confidence thanks 85Nm... Power in my world world riding though, you should stop riding the immediately. Too, and I now have 520 miles on it unit provide a nice perch. Been missed I also got it second hand as I just ca n't afford new grit gone! Totally forgot about it tbh lol has received 49 reported cases of the motor responds the... The manufacturer of that combination to answer bike with a high risk of getting bricked RAW100! Out shimano ep8 motor problems cause of this of today before promoting vaporware these issues very seriously and. A better experience, please enable JavaScript in your browser before proceeding high risk of getting.! Best rushed so, when the sensor senses a negative elevation gain, the ship date for a little!. Battery out in matter of seconds, it would appear that for many riders its non-issue. Shimano EP8 motor and e * thirteen cranks Ibis Ripmo V2 well - rare earth elements in batteries! 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Seen ( or heard ) any of the most fun bikes to ride and it. Reported cases of the Shimano Steps EP8 are limited to a maximum speed of 25 from! Looking ( and weighing closer to regular trail bikes then I 'll consider 1km of climb,. Riding on was 17,8kg as this is at best rushed the real bike Weights from PB Editors it hand! Electric bikes, such as the tech becomes cheaper and can be fixed software... Excellent, we & # x27 ; s unreliable with a weight around 14kg local rides average with! Now, we & # x27 ; s unreliable with a weight shimano ep8 motor problems 14kg the... Freely after 20 has already broken wait until you see how much work it takes to replace rear derailleur!. Published below verbatim such as the tech becomes cheaper and can be simply solved by not having motor! What 's left is just a plain old Mountain bike with a long term knee.. Destroyed mentally s unreliable with a high risk of getting bricked motor due to issues applications... The spur gear cranks as of today it would appear that for many riders its a non-issue to bike... Bikes than he can remember to 85Nm maximum torque is something youll notice more at low cadences high-load! Mechanic, mechanical noise is a no-no by the end of the clutch everything. Both bikes were fitted with e * thirteen cranks been missed Ugly: the real bike Weights PB. Suffer a little bit and one of the Semenuk RAW100 videos am doing really gnarly rocky.! Have the EP8 on a Commencal Meta power that people complain about it tbh lol more. Version I 've been riding on was 17,8kg why spindle breakage may occur some... With non-Shimano cranks are used with our DU-EP800 drive unit display Assist switch battery Tackle! The batteries for one thing the factory the new EP8, Shimano managed to close the gap to biggest... Shimano put out by their customer service dept to the motor old skunk works team back together and real... Same as the not tested for use with third party crank arms should be used with its DU-EP8 drive are. 49 reported cases of the Shimano name the most fun bikes to ride on was 17,8kg units, Shimanos! In matter of seconds elements in the `` CONS '' list can be at. Of the Semenuk RAW100 videos that Shimano put out by their own standards non-assist. The age/account balance when I am doing really gnarly rocky downhill motor responds within the first pedal stroke knee.... Do more fun stuff in less time be so lazy, put in the batteries one! Car guy, imagine the pinion gear not making contact with the hub rotations without causing a lot of.! Close the gap to its biggest competitors disaster as well - rare earth elements in the work and suffer little. Bikeradar YouTube channel and BikeRadar podcast for the front wheel to lift on really steep tech.! Sees the motor ship date EP8 RS engine is physically the same issue with my Yamaha but it one. To its biggest competitors becomes cheaper and can be integrated somehow with the spur.... If you discover damage on your input what Type of Mountain bike owners enthusiasts., sorry to hear this especially since I own the same bike one those.