DtEW

Member
Dec 8, 2020
126
53
Bay Area, CA
Re: clouting a rock at 20mph

Quite honestly, I'm surprised eMTB motors are not designed with torque limiters. I wasn't even thinking about nailing a rock with a crank (this is a relic of Aughts MTB relatively-high-BB mindset), but just bad shifts.
 

Mr-EPIC-3

Member
Feb 25, 2020
75
88
USA, So Cal
Ride
Fezzari WirePeak
I do a lite spray of water to wash the frame, fork, drivetrain and a electric cleaners on the motor & battery, see the links below.

https://www.crcindustries.com/products/auto-electrical-system.html

https://www.crcindustries.com/products/lectra-cleanr-3000-electric-parts-cleaner-19-wt-oz-retail-1750536.html

https://www.crcindustries.com/products/qd-174-electronic-cleaner-4-5-wt-oz-05101.html
 
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Amoto65

New Member
May 14, 2020
4
13
Oop North.
I do a lite spray of water to wash the frame, fork, drivetrain and a electric cleaners on the motor & battery, see the links below.



Wet wipes on mine after every ride and then a quick polish with a bit of GT85 sprayed on a cloth.
 

nasamorpheus

New Member
Jul 17, 2020
143
38
Ljubljana
Ride
Cube stereo 140 Hybr
Well Brose must be the least reliable , I have spoken with LBS , after 2000 miles prepare for a change. Is it true? Who knows, for one person I know it is. He is on 5th motor. There is no Shimano owner on 5th motor I believe :) I won't praise Bosch but one of the LBS who is selling many different motors said to me that Bosch is testing motors for 30.000 miles. I was shocked, I really can't believe it.
 

1oldfart

Active member
Oct 6, 2019
216
108
Outdoors
Ride
2 wheels
Well Brose must be the least reliable , I have spoken with LBS , after 2000 miles prepare for a change. Is it true? Who knows, for one person I know it is. He is on 5th motor. There is no Shimano owner on 5th motor I believe :) I won't praise Bosch but one of the LBS who is selling many different motors said to me that Bosch is testing motors for 30.000 miles. I was shocked, I really can't believe it.
The longevity depends on the design. Some favor very small, very light.
I prefer VERY DEPENDABLE. My bikes and Ebikes are not wasting time in the shops.
No Brose, no Shimano for me until they prove they can last problem free.
 

Ymersmoelf

Member
Oct 19, 2019
38
68
Denmark
Ride
YT Decoy
My mates and i all take turns taking the piss at each other. Who will have a breakdown today?!? The four of us run different motor brands and ALL have failed during the last six months. It's the warranty or lack of that sets the brands apart. My downtime was five days.... so i am still laughing :D
 
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Mr-EPIC-3

Member
Feb 25, 2020
75
88
USA, So Cal
Ride
Fezzari WirePeak
I have the Shimano E7000 motor and have 3400 miles and a couple of eDuro races on it with no issues (Knock-On-Wood).

At some point I figure the bearings in the motor will need to serviced or replaced.
 

Waynetta

E*POWAH Master
Feb 11, 2020
186
203
Plymouth Devon
Ride
Looking at a Levo SL
2800 miles and still smiling with the Levo SL ..... must add I’m only 10 stone (63kg) never shift when under full load and only use turbo for about 3 mins per ride. best thing Ive ever bought and
Love every minute riding it.
 
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Mr-EPIC-3

Member
Feb 25, 2020
75
88
USA, So Cal
Ride
Fezzari WirePeak
It would be interesting to know % of the time eMTBers are in a mode level on their motors.
Just to see how it effect the life span of a motor, which I am sure it does.

For most of the riding I do in my area this how I use my motor ECO=40% Trail=50% Boost=10%
 
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1oldfart

Active member
Oct 6, 2019
216
108
Outdoors
Ride
2 wheels
It would be interesting to know % of the time eMTBers are in a mode level on their motors.
Just to see how it effect the life span of a motor, which I am sure it does.

For most of the riding I do in my area this how I use my motor ECO=40% Trail=50% Boost=10%
The thing is different manufacturers are not equals, even one company has differences with models, generations, et...
Many modify the out of factory *preset levels*.
Some will drain their battery after work they know 90 minutes is all they have so it is just not practical.
Obviously a rider with a fullface 170 mm suspension probably is rarely in eco mode.
I am about 2% on boost, my Yamaha/Giant has 5 levels, i am most of the time on 3.
 

smtkelly

Active member
Feb 13, 2020
162
113
ldn
Would going wireless help with sealing? Seems connections are one of the weak links. Being able to seal sensors/shifters might mean you could seal those units better and have a few less connections by the motor which then you could use the retail estate to add bulkier connectors with better IP rating.

Could also open the door to the motor talk/combine to other wireless systems like AXS and shimano's offering if indeed its a thing. Would be interesting to see dropper/mode in one unit and derailer/sensor in another.

Also ref those road motors my guess is they are experience wear at a lower rate but at some point they'll catch up with the mtb's issues and manufacturers will have to address it. Maybe the next leaps in motor tech will be competing on Ingress ratings.

Still all said and done would anyone want to go back to not having a motor?
 
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Eddy Current

E*POWAH Master
Oct 20, 2019
528
233
NORTH Spain
Ride
Atom X
Done quite a few of these Rocky Mountain motors now. They usually shatter or crack the clutch bearing, but also had a few with electrical issues and sensor failures... Perhaps some are created more equal than others 🤔
Im on the FB group and most reported problem is a bit of play on some jockey (guess is that one you say) that you can service yourself. Honestly is a very reliable motor it only spin at 1200 rpm, is cranks/motor separate and I think is more robust and less problematic than the others, despite all the bits it have. No one is 100% free for sure.
 

Mr-EPIC-3

Member
Feb 25, 2020
75
88
USA, So Cal
Ride
Fezzari WirePeak
The thing is different manufacturers are not equals, even one company has differences with models, generations, et...
Many modify the out of factory *preset levels*.
Some will drain their battery after work they know 90 minutes is all they have so it is just not practical.
Obviously a rider with a fullface 170 mm suspension probably is rarely in eco mode.
I am about 2% on boost, my Yamaha/Giant has 5 levels, i am most of the time on 3.
Yea, motor manufactures all have different mode levels (Assist/Nm) and eMTBers all use the levels differently. Still be interesting to hear from other riders on the % mode level they ride in, mileage on their motor and when the motor failed.
 

1oldfart

Active member
Oct 6, 2019
216
108
Outdoors
Ride
2 wheels
Yea, motor manufactures all have different mode levels (Assist/Nm) and eMTBers all use the levels differently. Still be interesting to hear from other riders on the % mode level they ride in, mileage on their motor and when the motor failed.
OK here is my data. Bought a Yamaha/Giant 2020 130/120 suspension new 9 months ago.
Probably 3,000 miles, nada, no issue. I changed the chain 1 time. My kind of bike.
It has 5 levels i am probably 95% of the time in medium(3).
I think the big suspension is more likely to use boost(max assist) or close to it.
 
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Yoak

Member
Apr 5, 2020
104
88
Norway
Ride
Waiting on Rail 9.8
My Bosch shoved an Error 500 code a few days ago, and stopped working.
Got the Rail 9.8 last may and had just passed 2000km. Did a diagnosis at a LBS and he said every possibly error came up. Both battery an motor. Sent the info off to Bosch, the day after he told me a replacement motor was on its way. 1-2 weeks delivery.
At least the customer service was great. And I didn’t even by my bike in that shoo
 

Christian

PRIME TIME
Subscriber
Jan 1, 2019
1,375
343
41
Melbourne australia
Ride
Specialized Kenevo
Km/miles really means F all. Type of terrain/rider abuse is far more relevant to motor longevity.

Can I trust a motor in 2021?

No you cant, but can you trust a chain? A tire? A hub?, Suspension?, Your own common sense?

Just ride the bike and don’t forget to smile as you wheelie past analogues on the way up.
 

Mr-EPIC-3

Member
Feb 25, 2020
75
88
USA, So Cal
Ride
Fezzari WirePeak
Km/miles really means F all. Type of terrain/rider abuse is far more relevant to motor longevity.

Can I trust a motor in 2021?

No you cant, but can you trust a chain? A tire? A hub?, Suspension?, Your own common sense?

Just ride the bike and don’t forget to smile as you wheelie past analogues on the way up.
Yes I do agree with rider abuse & type of terrain as a another variable to motor life-span.
eMTB motors are like the 2-stroke motors of the 70s, ride them hard too Lock-Up.
 
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Yoak

Member
Apr 5, 2020
104
88
Norway
Ride
Waiting on Rail 9.8
My bike has been ridden hard since May last year, and all through the winter (in the snow -10-15c). Only trails, never on the road😬 So I’m not complaining, and just happy to get a new motor under warranty
 
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ProDean

New Member
Jun 2, 2021
2
13
Westoning
Hi everyone, great reading your comments and the Video at the beginning was very useful. I started riding MTB when they first came out and had a Hybike all mountain with a bosh motor. The chip was mainly the problem with water ingress, but eventually I did have to replace the motor. I sold that and bought a Turbo Levo 2019 I an on the third motor on that. I have bought a new Turbo Levo 2020 and after 2 months needed a new motor! I am annoyed that Brose have not sorted the issues, however if you view a company called speedy bearings they will do a great job upgrading your motor bearings and clutches and sealing the motor. Problem is your motor has lost its warranty. I have both bikes now just in case one motor goes and both are chipped. totally over the top I know. Bye the way I always ride on Turbo full power, I don't think it makes any difference. I do about 70 miles a week so the maintenance on these bikes is quite high, chains and rear sprockets. I never push on changing up or down now to try and save the chain. Cheers
 
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Zimmerframe

MUPPET
Subscriber
Jun 12, 2019
8,553
443
Brittany, France
Ride
Kenevo 1.3
Hi everyone, great reading your comments and the Video at the beginning was very useful. I started riding MTB when they first came out and had a Hybike all mountain with a bosh motor. The chip was mainly the problem with water ingress, but eventually I did have to replace the motor. I sold that and bought a Turbo Levo 2019 I an on the third motor on that. I have bought a new Turbo Levo 2020 and after 2 months needed a new motor! I am annoyed that Brose have not sorted the issues, however if you view a company called speedy bearings they will do a great job upgrading your motor bearings and clutches and sealing the motor. Problem is your motor has lost its warranty. I have both bikes now just in case one motor goes and both are chipped. totally over the top I know. Bye the way I always ride on Turbo full power, I don't think it makes any difference. I do about 70 miles a week so the maintenance on these bikes is quite high, chains and rear sprockets. I never push on changing up or down now to try and save the chain. Cheers
Welcome to the Forum. You might want to change your location (hover over a user name) so it doesn't say your postcode. You don't know who might use it to work out where a bike could be stolen from. Just change it to your town or something.
 

cjm_wales

Member
Mar 19, 2019
96
78
Cardiff
Ride
Looking for one!
If you're UK based and ever have a problem again with Shimano get in touch with Madison customer care on 01908 326032. You should be able to deal with them direct providing you can send them proof of purchase.
This is what I've done - and had to re-do today. Their firmware fix did nothing - my E010 errors are back.

I've told them it's a new motor or a refund.
 

RickBullotta

E*POWAH Elite World Champion
Subscriber
Jun 5, 2019
1,117
323
USA
Ride
Orbea Rise LTD
Can you trust an air shock in 2021? A tubeless tire? A wireless derailleur? We take a calculated risk any time we're 10 miles out on the MTB/eMTB that this stuff won't let us down. I find the drive system on an eMTB to be the least risky of the above, since you'll still likely get home without walking much.