Geekzone Cycling Thread

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mudguard

2118 posts

Uber Geek

#3397944 29-Jul-2025 09:52

stiffwin:

Hi - I have a Merida E160 e-bike with a Shimano DU-E8000 motor that has done 13000km (90% on-road) and is getting a bit noisy.

I can't really comment on replacements, but that's quite a lot of mountainbike to use on road. Would a more road/commuter orientated e-bike make more sense?

For some perspective, I'm a fairly enthusiastic (mountainbike) weekend warrior and my last two bikes have racked up just under 8000kms between them. In eleven years! I'm not saying that is the cause of any issues, but there was an article a couple of years ago with a rider who went through numerous Shimano motors. The issue I saw was she was doing motorcycle level of kilometres and just going through motor after motor. I don't know if e-bikes are mature enough yet for that kind of usage.

stiffwin

49 posts

Geek

#3397979 29-Jul-2025 11:30

mudguard:

stiffwin:

Hi - I have a Merida E160 e-bike with a Shimano DU-E8000 motor that has done 13000km (90% on-road) and is getting a bit noisy.

I can't really comment on replacements, but that's quite a lot of mountainbike to use on road. Would a more road/commuter orientated e-bike make more sense?

For some perspective, I'm a fairly enthusiastic (mountainbike) weekend warrior and my last two bikes have racked up just under 8000kms between them. In eleven years! I'm not saying that is the cause of any issues, but there was an article a couple of years ago with a rider who went through numerous Shimano motors. The issue I saw was she was doing motorcycle level of kilometres and just going through motor after motor. I don't know if e-bikes are mature enough yet for that kind of usage.

Thanks for your perspective but I would need two bikes - one for off-road and one for on-road. That doesn't make economic sense in my case

mudguard

2118 posts

Uber Geek

#3397981 29-Jul-2025 11:40

stiffwin:

Thanks for your perspective but I would need two bikes - one for off-road and one for on-road. That doesn't make economic sense in my case

That's fair enough. I got forced to tally up my mountain bikes the other day. I have ten that are rideable and I'm not sure how many frames and parts I have.

😁 It's just as well my partner doesn't go in the attic that often!

Unfortunately that's going to be your dilemma, your big road kms are probably going to wear the motor prematurely.

Edit. Found the story. It was 7000kms in two years or so. But this story made no mention of multiple replacements. Just the one motor giving up and a battle over who should pay for replacement.

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