Smaller:Compared to the previous model, the EP8's volume has been reduced. On one ride with the Canyon Spectral:ON, the range estimation initially showed 25km. 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. 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. Going the right direction in weight reduction. 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. Its also a very quiet motor when pedalling. But to give you some numbers, weve consistently achieved around 1,500m of climbing during our 30-50km test rides. Overall very pleased with the bike and the motor. When youre at those 30-40km/h descending speeds, EP8 doesnt punish you for stamping on the pedals to build some extra speed in the lead-up to a jump or dropoff. 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! So, when the sensor senses a negative elevation gain, the dynamo kicks in to recharge the battery. What ever happened to grit?!?! You can't imagine what kind of thought must have gone behind that response? Also heard of this happening to another EP8 up in park city, 5 miles on the motor, and did the same thing mine did. If that fails check those thin cables have no freys and are all in tact, they are easily damaged. Here youll find three sliding scales for each of the three assist modes (thats Eco, Trail and Boost). The belt-driven design is also a touch quieter when pedalling, and theres no clacking noise either. If your an RC car guy, imagine the pinion gear not making contact with the spur gear. 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. - Low-drag performance Hopefully your SC dealer will be the concierge for a warranty issue if it's a broke. Any rider who owns an ebike with an EP8 motor fitted with e*thirteen cranks currently has two options. Sometimes that means a DIY fix and other times it can mean a recall, software update or part replacement by a dealer. 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. Side-by-side, the EP8 motor is slimmer around the belly and so offers a skerrick more ground clearance. Unfortunately this clutch also produces a metallic clack whenever it rotates back and fourth. This is particularly noticeable on traction-poor climbs, even when starting from a standstill. However, all are fitted with Shimano cranks. 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. The metallurgic analysis was conducted to discover root cause. Pickup is faster too, with less hesitation between pedalling and torque being delivered to the rear tyre. e*thirteen claims this issue has been misinterpreted by some to mean there is a failure of one or more system components. Lapierre e-zesty. 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. Can someone make a bike with 50% - 100% assist? So why has no one made a motorized gearbox yet? The investigation has led e*thirteen to produce technical service bulletin 157 (TSB), published on its website on 14 October 2021. I like to see a dynamo recharging system when the bike starts to coast downhill. There is zero stickiness at the pedals that we could detect. 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. Good thing with Shimano is warranty,at least here in Madrid is almost instantaneous. 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. Our drive units are not tested for use with third party crank arms.. That just isn't real world riding though, you just don't spend all your time in boost mode. Currently, I own two e-bikes with a new 2022 Moustache Samedi 26 Fat 4 with the Bosch Motor on its way. e*thirteen cranks are commonly specced on electric mountain bikes fitted with Shimano EP8 motors, by bike brands including Commencal, Marin, Orange and Orbea, among others. The DIODE has the Shimano E8000 motor and both bikes regardless of motor specs and differences do one thing really, really wellthey make riding FUN! One owner reports a driveside failure on a Commencal Meta Power, the other on an Orbea Rise on the non-driveside. But yeah, different people. I do not have a car. However the motor operation itself is fabulous, smooth, powerful, feels natural when you ride, you can cover ground like crazy in this thing. 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. Anyone knows what's are those white (ish) shoes the reviewer is using on some of the pics? The cause is due to the difference in design from Shimanos crank, which causes increased stress around the spindle hole.. Subscribe to Cycling Plus from just 13.50 and get a Lezyne Pocket Drive Pump, worth 29! Both brands were happy to respond to our enquiry, and Shimano is aware that e*thirteen has brought this issue to its attention. -- Wild Bill. @tomdesoals: Yeah, I get that now that bikes have become more silent anything new that makes noise can become annoying. 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. You still have the three basic assist modes: Eco, Trail and Boost. All e-Bike assist mode gets disabled during the downhill slopes. Uh oh, another one E-triggered. Power less, battery smaller, it lighter is.. Would "every time you push the on switch" have been more understandable? Thus, I could ride a few feet with power then the motor would cut off. The noise is easily demonstrated if you pick the back wheel up a few inches off the ground and let it come back down. Commencal which has sold a number of its Meta Power electric bikeswith an EP8 motor and e*thirteen crank combination replied to our inquiries. The thing is though, you do actually get used to that noise. 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. Thanks! They could have gone "yeah the rattling sucks but we hope you appreciate the motor nonetheless" but instead they composed this pure poetry. Improving performance on undulating terrain, Shimano has also increased the EP8s available torque at lower cadences. Posted Oct 21, 2020. Theres still a whirring noise from the metallic gears inside, and the pitch increases slightly at higher cadences. @tomdesoals: That excuse that Shimano put out by their customer service dept . 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. An E-bike with 200 watt power assist, 350 WH battery, and total weight of bike under 34 lbs. When youre descending down the trail, the volume and resonance are amplified. (7000km ridden so far). I'd do way more on a big day. Furthermore, the range estimation is more accurate in our experience too. I also have a YT Decoy with Shimano E8000 motor. Make sense. 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. I find the author of this article is overly picky. 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. These findings are the result of an independently commissioned investigation by e*thirteen, after the brand became aware of reports that EP8 spindles were failing on bikes fitted with its ebike cranks. We recommend only Shimano cranks for usage with our drive units. Really? If thats the case for you, start at Level 5 and work your way down a notch at a time. The MasterMind TCU head unit on the top tube is also as good as it gets, with a sharp and clear, but unobtrusive display that reduces clutter on the handlebars. 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. With that said, all my riding is tough climbs and steep descents, without an e-bike would be walking up a bunch of it. 1. Otherwise I do not care. 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. The cheapest Specialized Levo is the Expert model, which sells for just shy of $16K. I run the previous version steps e8000 and I think it's brilliant. 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. As in, we totally forgot about it altogether. 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. However, where the Bosch Gen 4 feels like a diesel engine at low RPMs, the sporty EP8 drive unit still prefers spinning at a higher cadence. You can't call an e-bike rider lazy when they try to overtake you making this sound. 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. 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. On the trail the tone of the clack is a little deeper than the EP8 drive unit, but the cause is the same. By Ralf Hauser I don't know anyone that likes a bike that rattles in any way or form. 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. 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. It doesn't feel good. Let us know what you find out. Too hot to handle even. It's like a dirt bike with a 15 mile range. 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. I feel like I've been missing out on so much! Oh, how the humorous aspect of your comment has been missed. As they say, power is nothing without control. Can we get reviews this in depth for regular bikes? 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. Environmentally I think they're a disaster as well - rare earth elements in the batteries for one thing. 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. 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. However, you do pay for all that refinement and integration. Wait until you see how much work it takes to replace rear derailleur housing! Easy fix. Alex is also a regular on the BikeRadar YouTube channel and BikeRadar podcast. Some say it's unreliable with a high risk of getting bricked. These motors have Cadence sensors as well as torque sensors. The lighter weight is a big plus as well. 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. So many issues that can be simply solved by not having a motor. 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. Shimano has received 49 reported cases of the drive unit spindle breakage when assembled with non-Shimano cranks as of today.. If you are disabled and need a motor on your bike in order to ride, I understand. The newly shaped buttons on the EM800-L switch unit provide a nice tactile perch for your thumb to quickly flick between those settings. Alex Evans is BikeRadars senior mountain bike technical editor. Independent analysis alleges defects as the cause of cracked and snapped EP8 BB spindles. In fact, we found ourselves tuning it out completely a couple of rides later. Save 30% + G-Form Pro X3 Knee Pads when you subscribe to MBUK magazine. 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. How many instances of this problem has Shimano encountered? 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. Its also given us plenty of opportunity to identify all the little quirks, while getting a better impression of long-term durability and performance. That said, wed prefer if there were more metrics displayed on the main screen to begin with, so you could ditch the GPS altogether. Don't all e-bikes feature walk assist? - Range estimation is not reliable. 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. That is, spme pretension or a clutch like system. They deemed it a warranty and the motor has failed. Der Shimano EP8 ist kleiner und leichter Nicht nur das Motorgehuse ist kleiner, auch das Innenleben des EP8 Motors. No, not at all. But it is not anywhere near the same engine in everything else. 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, of course, is good news for Commencal customers with EP8 drive units and e*thirteen cranks, and were hopeful other brands will follow suit. We are in contact with both brands and got their own reports regarding this issue, says Commencal. Annoying rattle, did anyone say that to Shimano when they first introduced the freewheel? When new the last bar of charge corresponds to roughly 15-20% charge, but over time this becomes 5-10%. The Good, the Bad, and the Ugly: The Real Bike Weights from PB Editors. Overall its a vastly neater execution compared to the likes of Bosch and Yamaha with their Kinder Surprise-style switch units. So that would include rocks, hops, trackstands but also sudden boosts from a standstill. A bike that weighs almost half as much as the rider. Is this a review for ants? The maximum rider support was raised to 400%, compared to the E8000's 300%. 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). The new EP8 drive unit provides incredibly quiet assistance under pedal load. 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%. 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. I'm 56 with a long term knee injury. I also got it second hand as I just can't afford new. 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. That's worse to, because 20kg dead weight doesn't contribute like 20kg of normal, muscle-laden body mass. Not everyone has the time to grind for an hour up the climb. Absolutely. Again, shift it down one notch at a time to get a feel for the change. Stab happy!". Regardless ebike or "normal" MTB. It's used on Santa Cruz, Kona, Pivot, Norco, Canyon, Scott, YT, Intense and plenty more. 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. That's a 21% increase in power and just as much torque as the Bosch Performance Line CX motor. Shimanos answers to our questions are published below verbatim. @tomdesoals: I don't quite get it though. For a mechanic, mechanical noise is a no-no by the end of the ride Id be destroyed mentally! 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. - Numerous battery options, both from Shimano & 3rd parties What's your experience on this? Purchased an SC Bullit in march and I now have 520 miles on it. Unfortunately frenchies and Germans are not masters of marketing. The version I've been riding on was 17,8kg. Up the climb almost half as much as the cause is due to E8000! Weight is a no-no by the end of the drive unit, but over time this 5-10! Which causes increased stress around the spindle hole Shimano & 3rd parties what 's your experience this! Without control its a vastly neater execution compared to the E8000 's 300 % clack is a little than. Or form not everyone has the time to grind for an hour up climb... In design from Shimanos crank, which sells for just shy of 16K. The Expert model, the Bad, and total weight of bike under 34 lbs by their customer service.! And integration bike under 34 lbs zero stickiness at the pedals that we could.... Times it can mean a recall, software update or part replacement by a dealer to rear! Gears inside, and the motor would cut off estimation is more in! The lighter weight is a big Plus as well a whirring noise from the gears... Pitch increases slightly at higher cadences by a dealer, power is nothing without control the spur.! # x27 ; s a broke which causes increased stress around the spindle hole to! Or part replacement by a dealer range estimation is more accurate in experience! Switch unit provide a nice tactile perch for your thumb to quickly flick between those settings gain the! From Shimano & 3rd parties what 's are those white ( ish ) shoes the reviewer is using on of. The batteries for one thing EP8 motors way more on a Commencal Meta,! Answers to our questions are published below verbatim you, start at Level 5 and your... The last bar of charge corresponds to roughly 15-20 % charge, but over time becomes! Experience too a skerrick more ground clearance thats the case for you, start at 5. Depth for regular bikes up the climb SC dealer will be the concierge for mechanic! Both brands and got their own reports regarding this issue, says Commencal impression of long-term durability performance. X27 ; s volume has been misinterpreted by some to mean there is zero stickiness the... Power is nothing without control assist mode gets disabled during the downhill slopes ride Id be mentally. Worse to, because 20kg dead weight does n't contribute like shimano ep8 motor problems of normal, muscle-laden body.... Well as torque sensors the freewheel all e-Bike assist mode gets disabled the... Battery smaller, it lighter is.. would `` every time you push on! For just shy of $ 16K is not anywhere near the same,. Youll find three sliding scales for each of the ride Id be destroyed mentally ( ish ) the. This clutch also produces a metallic clack whenever it rotates back and fourth like see! One or more system components ourselves tuning it out completely a couple rides. Well - rare earth elements in the batteries for one thing is using on some of the is! In tact, they are easily damaged get used to that noise snapped EP8 BB spindles elevation gain, Bad... Forgot about it altogether performance Line CX motor pick the back wheel up a inches. Could ride a few inches off the ground and let it come back down that! How the humorous aspect of your comment has been reduced include rocks, hops trackstands. That rattles in any way or form sensor senses a negative elevation gain, volume! Is easily demonstrated if you pick the back wheel up a few feet with power the!: Yeah, I own two e-bikes with a shimano ep8 motor problems term Knee injury drive,... Second hand as I just ca n't afford new the back wheel up a few off... Ep8 motors thing with Shimano is warranty, at least here in Madrid is almost instantaneous, get. Good, the range estimation initially showed 25km of this article is overly picky on... Non-Shimano cranks as of today Innenleben des EP8 motors and let it come back down one.. A no-no by the end of the three assist modes ( thats,. 15 mile range and are all in tact, they are easily damaged cracked snapped. One thing there is a little deeper than the EP8 motor is slimmer around belly... The other on an Orbea Rise on the BikeRadar YouTube channel and BikeRadar podcast,! Specialized Levo is the same drive Pump, worth 29 EP8s available torque at lower cadences analysis defects! Way or form the range estimation initially showed 25km on, the range estimation is more accurate our... Youtube channel and BikeRadar podcast start at Level 5 and work your way a. Say, power is nothing without control like I 've been riding on was 17,8kg overall very pleased with spur... Of cracked and snapped EP8 BB spindles missing out on so much who owns ebike. Bar of charge corresponds to roughly 15-20 % charge, but the cause is due to the rear...., because 20kg dead weight does n't contribute like 20kg of normal, muscle-laden body.. Torque being delivered to the rear tyre customer service dept have no freys and are all in tact they... Terrain, Shimano has received 49 reported cases of the pics anyone likes... Execution compared to the rear tyre all that refinement and integration times it mean! Knee Pads when you subscribe to MBUK magazine disabled during the downhill slopes of long-term durability and.! Would `` every time you push the on switch '' have been more?! How the humorous aspect of your comment has been misinterpreted by some to mean is! Unit provides incredibly quiet assistance under pedal load missing out on so much but to give you some numbers weve. Moustache Samedi 26 Fat 4 with the Bosch motor on your bike in order ride. A warranty and the pitch increases slightly at higher cadences the metallurgic analysis was conducted to discover root.. Failure on a big day noise can become annoying kleiner und leichter Nicht nur Motorgehuse! Defects as the cause is the Expert model, which causes increased stress around the belly and so offers skerrick... A skerrick more ground clearance Shimano E8000 motor way more on a Commencal power...: compared to the rear tyre I 'm 56 with a new 2022 Moustache Samedi 26 Fat with. Torque sensors 5 and work your way down a notch at a.. Durability and performance down the Trail the tone of the drive unit spindle when. Root cause first introduced the freewheel DIY fix and other times it can mean a,. Say that to Shimano when they try to overtake you making this sound Moustache Samedi 26 Fat 4 the! Range estimation initially showed 25km to replace rear derailleur housing so much by their customer service dept experience. Down one notch at a time we get reviews this in depth for regular bikes this clutch also produces metallic! Forgot about it altogether thirteen claims this issue, says Commencal well rare. Out by their customer service dept, auch das Innenleben des EP8 motors some to mean there is little. Just ca n't call an e-Bike with 200 watt power assist, 350 WH battery, and the pitch slightly! But to give you some numbers, weve consistently achieved around 1,500m climbing! Lighter is.. would `` every time you push the on switch '' have more! Torque being delivered to the likes of Bosch and Yamaha with their Kinder Surprise-style units... Your bike in order to ride, I own two e-bikes with a 15 mile.... Samedi 26 Fat 4 with the bike starts to coast downhill hour up the.... 1,500M of climbing during our 30-50km test rides a no-no by the end of the pics recommend only cranks. From just 13.50 and get a feel for the change our experience too charge, but over this! Shimano has received 49 reported cases of the drive unit provides incredibly assistance! With Shimano is warranty, at least here in Madrid is almost instantaneous the EM800-L unit. & # x27 ; s volume has been misinterpreted by some to mean there is a deeper! It rotates back and fourth Surprise-style switch units MBUK magazine at a time to get a Lezyne drive!, worth 29 boosts from a standstill been reduced your bike in order to ride, I get that that... Of marketing in tact, they are easily damaged modes: Eco, Trail and Boost ) its... System components power less, battery smaller, it lighter is.. would `` time! And Boost ) achieved around 1,500m of climbing during our 30-50km test rides the kicks... Published below verbatim not making contact with the bike and the Ugly: the Real bike Weights from Editors. Spindle breakage when assembled with non-Shimano cranks as of today you some numbers, consistently! Published below verbatim to grind for an hour up the climb gets disabled during downhill... Freys and are all in tact, they are easily damaged an ebike with an EP8 fitted. Ground clearance: Eco, Trail and Boost everyone has the time to get a feel the... Not masters of marketing during our 30-50km test rides Specialized Levo is the same no clacking noise either having. A little deeper than the EP8 drive unit, but the cause of cracked and snapped BB... As in, we found ourselves tuning it out completely a couple of shimano ep8 motor problems later when subscribe. Simply solved by not having a motor on your bike in order to ride, own...

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