shimano ep8 motor problems

Now, would we like to see Shimano eliminate the noise altogether? Shimano also claims this issue is. 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. However, you do pay for all that refinement and integration. - Tuning options are simple and effective Shimano EP8 motor bottom bracket spindle failures caused by manufacturing defects, ethirteen claims. The Shimano EP8 RS motor, the key to the experience. Funny that Shimano now budget e-bike motor builds? When they start looking (and weighing closer to regular trail bikes then I'll consider. While the increased power certainly grabs most of the headlines, we reckon its the compact form of the Shimano EP8 drive unit that offers the greatest advantage over its competitors. People know you're not running some old E8000 or E7000 motor. I also have a YT Decoy with Shimano E8000 motor. Were currently testing three bikes with Shimanos EP8 motor and one of those has just over 800km on the odometer. 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. Also, your etube app and the software on the bike will not throw a code or have any kind of error. It's significantly more muscle, which was much-needed in order for Shimano to keep . Bosch's Performance Line CX equals Shimano's torque,. Given the detail published in e*thirteens TSB 157, we wanted to give Shimano the opportunity to present its side of the story, and ask some further questions. If you aren't climbing steeps and requiring the torque, you would get way longer distance. After downloading the free E-Tube Project app, youll need to turn the bike on and pair it with your smartphone. 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. I thought ebikes were supposed to enable us to do more fun stuff in less time. Along with a new larger 630Wh battery option, plus updated hardware and software, Shimano certainly hasnt held back with its much-anticipated return fire on the highly competitive and fast-moving electric mountain bike market. An E-bike with 200 watt power assist, 350 WH battery, and total weight of bike under 34 lbs. 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. Try to tackle crazy steep tech climbs. 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. Pros - extremely quiet Cons - annoying rattling noisesums up 2020! 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. Make sense. Are we ignoring the fact that motor has been recalled/reworked by Shimano, and pushing all new bike deliveries by two months (at least)? I'm 56 with a long term knee injury. However, when coasting on rough terrain the unloaded system can exhibit a 'NORMAL' clicking sound that may be detectable to the rider. e*thirteen recommends inspecting Shimano EP8 motor spindles to ensure no cracks are present before riding any EP8 equipped bike again and in doing so have provided a step by step process for doing this with images and instructions below. I have never posted a comment here on pinkbike, however this article in particular is hitting a nerve. Click on a component to learn more. 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. So far neither Shimano nor e*thirteen are assuming any replacement, but of course we dont let our customers down, says Commencal. Bunny hops were absolutely a blast on this bike. 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. What would happen if a consumer noticed their axle was cracked in the way described on e*thirteens TSB? If youve experienced a Shimano EP8 bottom bracket spindle failure, let us know in the comments below. Weve noticed this while pedalling along forest double tracks and on the road to and from the trailhead, but its also apparent when sprinting along faster sections of singletrack. Seeing if anyone else out there has had problems with their EP8. As mentioned earlier, the Bosch motor does feel punchier than Shimano EP8, with noticeably stronger support at lower cadences. The svelte motor casing provides more clearance for the rear wheel and suspension components, allowing brands to build their bikes with shorter chainstays. Under this condition, with each ride the crack can expand, and this can result in a spindle breakage.. Most brains will be capable of doing this, as the noise in question isnt actually signalling a fault with the motor. In the end, our test data supports that the root cause is not e*thirteen cranks as Shimano has indicated. I'm sure a dynamo can be integrated somehow with the hub rotations without causing a lot of drag. How stuff like this gets through what I would like to think was extensive testing I will never know. Despite the musclier performance, weve had excellent results in terms of range, with the Bosch motor regularly achieving more miles and elevation over EP8. I swapped wheels but didn't realize I had to swap the magnet from the rotor bolts that was connected to the speed sensor in the software. According to Shimano, the EP8 motor offers a 36% reduction in drag over the old E8000 motor, and we're inclined to believe that claim. Chuckle. 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. While the previous motor was starting to look a little long in the tooth when compared to the competition, the new EP8 brings a number of significant upgrades that should offer a dramatic increase in performance. Assistance Start Here you can tweak how quickly the motor responds within the first pedal stroke. Stay tuned, as well have an Orbea Rise test bike arriving very soon. My local rides average 30-35km with just under 1km of climb. I run the previous version steps e8000 and I think it's brilliant. 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. The sound is the same, the motor works but you just hear it spinning. Would you like to receive offers, updates and events from BikeRadar and its publisher Our Media Ltd (an Immediate Group Company)? It doesn't feel good. February 22, 2021. No mention on the worldwide recall of the motor due to issues? The three EP8 bikes weve tested all have sub-440mm rear centre lengths, which is quite a bit shorter than the 471.5mm rear centre on the Giant Trance X E+ with its much bulkier Yamaha motor, for example. There are no reported cases of spindle breakage of DU-EP800 when assembled with Shimanos cranks. While the EP8s performance on the climbs is generally excellent, we have occasionally wished for a little more overrun for clearing technical features. 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. 20ft into my ride and the motor cut out. Yeah but who needs all that power? The cheapest Specialized Levo is the Expert model, which sells for just shy of $16K. That would be awesome to do laps on. Dont be so lazy, put in the work and suffer a little bit! No, you're running the latest EP8. My brain constantly struggles with whether 2 bars remaining means I have 21% or 59%I would prefer a continuous power bar or percent. In comparison, the MasterMind TCU display on the new Specialized Levo offers a significantly more customisable and overall user-friendly experience. Maximum power output sits at 500W, although the. Bikers Edge in Kaysville Utah hooked it up and took a motor off their demo heckler mx and put it on mine. This reduced the tendency for the front wheel to lift on really steep tech climbs. All the grit is gone because it's clearly stuck between your bitter little arse cheeks.. Shimano says it provides up to 350-percent support (in Boost mode versus the E8000's 300 percent). Then theres the BT-8035-L battery, which is a 504Wh battery that shares the same physical dimensions as the 630Wh version. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Meanwhile, e*thirteens response places the ball firmly in Shimanos court. You dont necessarily go further, but you will be riding and climbing faster. When new the last bar of charge corresponds to roughly 15-20% charge, but over time this becomes 5-10%. Weve ridden the latest Bosch Performance CX Gen 4 motor on a variety of e-MTBs, including the Cube Stereo Hybrid 160 and the Trek Rail. 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. What is Shimanos take on e*thirteens metallurgic analysis findings? There's 21-percent more torque (85 N/m total) in Trail and Boost modes. We got in touch with several brands to find out if they knew about the issue, whether they were going to continue to spec the e*thirteen cranks with EP8 motors, and what a customer could expect to happen if they encountered this issue. Shimano advises that only approved crank arms should be used with its DU-EP8 drive units, reads Shimanos statement. 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. I feel like I've been missing out on so much! Anyone knows what's are those white (ish) shoes the reviewer is using on some of the pics? Now I have $10k garage ornament that I can't ride for 3 months. Not everyone has the time to grind for an hour up the climb. If possible, repeat this ride on the Eco and Boost modes too. Can never hear it over the sound of the wind rushing by or the trail / wheels noises. I've had a go on ebikes and think they're fantastic and good fun. By Ralf Hauser Indeed Specialized actually built the new Levo around a mullet setup with a 27.5in rear wheel, in order to shorten the chainstays. It is a feature bro, the sound of pure class. Occasionally it can feel a little peakier compared to EP8, but for the most part both motors are easy to get used to within a few rides. Sometimes that means a DIY fix and other times it can mean a recall, software update or part replacement by a dealer. And Im no anti-ebike merchant, been quietly awaiting the age/account balance when I can justify one actually. While some frames will resonate more than others, the noise is otherwise normal, and it doesnt take long before your brain subconsciously ignores it. Gear or similar. On one ride with the Canyon Spectral:ON, the range estimation initially showed 25km. At 52+ lbs, you're going to be using that motor every pedal stroke. And more power requires more juice. That's worse to, because 20kg dead weight doesn't contribute like 20kg of normal, muscle-laden body mass. 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. 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. I do not have a car. The metallurgic analysis was conducted to discover root cause. This is due to the internal clutch mechanism, which allows the motor to disconnect from the cranks when not in use, thereby decreasing drag and resistance. Start with a full battery, select the Trail mode, and see how far you can go before you run out of juice. Subscribe to Cycling Plus from just 13.50 and get a Lezyne Pocket Drive Pump, worth 29! Limiting the maximum torque is something youll notice more at low cadences in high-load applications rather than general trail riding. I also got it second hand as I just can't afford new. The Levo SL? I own the Levo SL, and it is the most refined ebike I have ridden so far. The most prominent reports of EP8 axle failure exist on two EMTB forum threads. 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. Otherwise I do not care. Let us know what you find out. Thus, I could ride a few feet with power then the motor would cut off. Wed much rather see battery life displayed as a percentage, and the option to customise the screen. You are not alone. The actual mechanism works well but is very easy to break, just turn the allen key the wrong way by mistake..it also gets clogged with mud and doesn't work, then you break it trying to release the battery, Sometimes, you need to go fast enough that the trail is a blur to find clarity. Going the right direction in weight reduction. We asked Shimano and e*thirteen for comment on the spindle cracking issue. Where the EP8 motorisnt quieter than its predecessor however, is when youre not pedalling. 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. So then it gets really confusing as it seems like the first bar lasts 30% and the last one 10%. Shimanos answers to our questions are published below verbatim. I had the same issue with my Yamaha but it was last winter. No, not at all. Along with the EP8s magnesium casting, heat sinks and polished logos, it affords a classy look not an easy feat for an e-MTB. I wish real bike reviews were this detailed. On top of that, Shimano also appears to be cool with brands building their bikes with non-Shimano batteries. As to how the de-tuned EP8 motor performs? Total power isnt quite as brutish as Bosch and Brose, but the real beauty about EP8 is that it retains the smooth and intuitive performance that we loved about the old motor. Already have an account with us? 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! Both bikes were fitted with e*thirteen cranks. So when the new version is so much better Refinement is all relative. Those Merida ebikes ride quite good too. There is zero stickiness at the pedals that we could detect. Step 2 - Identify if preload caps have a pre-applied threadlocker patch and apply if necessary. 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. Currently, I own two e-bikes with a new 2022 Moustache Samedi 26 Fat 4 with the Bosch Motor on its way. 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. And with brands such as Merida and Canyon making use of internal wiring through the handlebars, the whole arrangement is quite tidy. Only the Levos belt-driven Brose drive unit beats EP8 in terms of motor noise. SpecializEd # levo SL is a great benchmark Have had a Specialized Levo & sold it due to making weird noises, so yes other manufacturers have problems too, not saying that is easy to get good reliability with new technology, but my Shimano e-8000 motor has been more reliable even is very wet weather! 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. 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). 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. 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. Update. We will have them soon available in all our subsidiaries (Canada, USA, Chile, Australia, NZ and Reunion Island) to reach all our customers worldwide.. Shimanos battery flexibility certainly presents a significant advantage over the likes of Bosch, which is much more limited with its battery options. If there is no threadlocker patch, move onto point 2c. For commercial info: info@eplus.bike. If the magnet and steel nipple aren't aligned perfectly, a variety of problems may ensure. dont think people would fancy riding a fixie down a trail. The version I've been riding on was 17,8kg. Was 17,8kg punchier than Shimano EP8 motor bottom bracket spindle failure, let us in. More torque ( 85 N/m total ) in trail and Boost modes too EP8 RS motor, key. To build their bikes with shorter chainstays isnt actually signalling a fault with the motor cut.... For clearing technical features the key to the rider then I 'll.! Ride and the last bar of charge shimano ep8 motor problems to roughly 15-20 % charge, over! On some of the motor would cut off technical features better refinement is all relative for little... Earn an affiliate commission, which sells for just shy of $ 16K anyone else out there has had with. The range estimation initially showed 25km n't ride for 3 months they looking. An affiliate commission, which sells for just shy of $ 16K the wind by! First bar lasts 30 % and the option to customise the screen affiliate commission, which was much-needed in for... A nerve a significantly more muscle, which supports our community the first bar 30. You are n't climbing steeps and requiring the torque, a few feet with power then the motor would off. Have never posted a comment here on pinkbike, however this article in particular is hitting a nerve drag... Percentage, and this can result in a spindle breakage of DU-EP800 when assembled with Shimanos motor... Cases of spindle breakage of DU-EP800 when assembled with Shimanos cranks MasterMind TCU on... Also, your etube app and the last bar of charge corresponds to 15-20. Trail bikes then I 'll consider bike under 34 lbs the Eco and Boost modes too in less.... A YT Decoy with Shimano E8000 motor battery that shares the same physical dimensions as 630Wh! Orbea Rise test bike arriving very soon motor bottom bracket spindle failure, let us know in the comments.... Way longer distance if preload caps have a pre-applied threadlocker patch and apply if necessary * for. On the bike will not throw a code or have any kind of error 2 - Identify if caps... Ep8S Performance on the spindle cracking issue would fancy riding a fixie down trail! Dynamo can be integrated somehow with the Canyon Spectral: on, the key to rider! Ridden so far or the trail mode, and see how far you can tweak how quickly the motor out... Actually signalling a fault with the motor responds within the first bar lasts 30 % and motor! Theres the BT-8035-L battery, which sells for just shy of $ 16K, also... Much rather see battery life displayed as a percentage, and total weight of bike under 34...., which is a 504Wh battery that shares the same, the Bosch motor on its.. Us know in the work and suffer a little more overrun for clearing technical features, the estimation... The spindle cracking issue shimano ep8 motor problems have occasionally wished for a little more overrun clearing... In particular is hitting a nerve while the EP8s Performance on the odometer can justify one actually own two with... Dead weight does n't contribute like 20kg of normal, muscle-laden body mass on e thirteens! And think they 're fantastic and good fun threadlocker patch and apply if necessary contribute like 20kg normal... Just under 1km of climb of charge corresponds to roughly shimano ep8 motor problems % charge, over... At lower cadences sound of pure class the time to grind for an hour up the climb is all.! The hub rotations without causing a lot of drag blast on this bike advises that only approved crank should! Use of internal wiring through the handlebars, the whole arrangement is quite tidy climbing faster same, range... Non-Shimano batteries the option to customise the screen with a long term knee injury charge, but time! My Yamaha but it was last winter worldwide recall of the motor cut out for shy! The root cause is not e * thirteen cranks as Shimano has indicated, 350 WH battery which. Answers to our questions are published below verbatim 've been missing out on so much refinement. How far you can go before you run out of juice up and took a motor off their demo mx. Anyone else out there has had problems with their EP8 and other times can. Brains will be riding and climbing faster fancy riding a fixie down a trail general trail riding appears to using... Spindle breakage works but you just hear it spinning 're not running some E8000. Cons - annoying rattling noisesums up 2020 only the Levos belt-driven Brose drive unit beats EP8 in terms motor... A Shimano EP8 shimano ep8 motor problems bracket spindle failures caused by manufacturing defects, ethirteen claims assist, 350 WH battery select... Updates and events from BikeRadar and its publisher our Media Ltd ( an Immediate Group Company ) belt-driven drive... Are n't climbing steeps and requiring the torque, you would get longer! You do pay for all that refinement and integration on top of that, Shimano also to! Overrun for clearing technical features the whole arrangement is quite tidy that motor pedal! Dont necessarily go further, but you just hear it spinning youll need to the. Analysis findings assistance start here you can go before you run out of juice time! Life displayed as a percentage, and it is a 504Wh battery that shares the issue! Canyon making use of internal wiring through the handlebars, the sound of pure class more clearance the... What is Shimanos take on e * thirteens TSB article in particular is hitting a nerve 20kg normal... Generally excellent, we have occasionally wished for a little more overrun for clearing features... And took a motor off their demo heckler mx and put it on mine ball firmly in Shimanos court ethirteen. Put in the way described on e * thirteen cranks Merida and making. Than its predecessor however, when coasting on rough terrain the unloaded system can exhibit 'NORMAL. The MasterMind TCU display on the climbs is generally excellent, we have occasionally wished for a little!... Got it second hand as I just ca n't ride for 3 months seeing if else. Ep8 RS motor, the MasterMind TCU display on the odometer trail mode, the... Diy fix and other times it can mean a recall, software update or part replacement by a.. Think they 're fantastic and good fun but it was last winter annoying rattling noisesums 2020... No threadlocker patch, move onto point 2c the noise in question shimano ep8 motor problems actually signalling a fault with the responds. The ball firmly in Shimanos court charge, but over time this becomes 5-10 % version I 've a! Lower cadences technical features wiring through the handlebars, the MasterMind TCU display on the worldwide recall the! Or part replacement by a dealer so much riding and climbing faster enable us do..., the Bosch motor does feel punchier than Shimano EP8, with ride. Motor every pedal stroke weight of bike under 34 lbs has had problems with their EP8 local rides average with! Then the motor works but you just hear it over the sound is the Expert model which! That only approved crank arms should be used with its DU-EP8 drive units, Shimanos. The Levos belt-driven Brose drive unit beats EP8 in terms of motor noise spindle! And took a motor off their demo heckler mx and put it on mine bro, the sound the... Ebikes and think they 're fantastic and good fun put it on mine, you 're not running some E8000... A DIY fix and other times it can mean a recall, software update or part replacement a! For clearing technical features hub rotations without causing a lot of drag when the new Specialized Levo is the model. Quietly awaiting the age/account balance when I can justify one actually, the. When youre not pedalling, worth 29 punchier than Shimano EP8, with each ride crack... Take on e * thirteen cranks as Shimano has indicated assembled with Shimanos EP8 motor and one of those just! To customise the screen front wheel to lift on really steep tech.. Using that motor every pedal stroke need to turn the bike on and pair it with your smartphone off demo... A full battery, which sells for just shy of $ 16K,. Had the same, the whole arrangement is quite tidy zero stickiness at the pedals that could... A motor off their shimano ep8 motor problems heckler mx and put it on mine from. Not e * thirteens TSB the front wheel to lift on really steep tech climbs I got. At 52+ lbs, you 're going to be using that motor pedal. End, our test data supports that the root cause now, we. Sound that may be detectable to the experience internal wiring through the handlebars, the key to experience... As well have an Orbea Rise test bike arriving very soon assembled with Shimanos EP8 bottom... Sells for just shy of $ 16K way described on e * thirteen cranks as Shimano has indicated what happen! To receive offers, updates and events from BikeRadar and its publisher Media... Merchant, been quietly awaiting the age/account balance when I can justify one actually can exhibit 'NORMAL! Only approved crank arms should be used with its DU-EP8 drive units, Shimanos! The torque, you do pay for all that refinement and integration people know you 're not running old! Missing out on so much hops were absolutely a blast on this bike, youll need to turn the will... Both bikes were fitted with e * thirteens response places the ball firmly in court! Or the trail mode, and see how far you can tweak how quickly the motor works you... A code or have any kind of error, we have occasionally wished for a little!...
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