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Answered Chain keeps coming off sprocket when under pressure * Got video *

I am the Terminator

New Member
Jul 10, 2018
4
0
Cornwall
Hi i've just replaced my chain and cassette and i am now having issue with the chain coming off sprocket. The chain spins fine when on work bench but as soon as I take it for a test run this happens ? theirs also a horrible notching sound coming from front
The chain is correct length and i * think * i've indexed the derailer correctly. chain and cassette are both oem spec


 
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I am the Terminator

New Member
Jul 10, 2018
4
0
Cornwall
I did wonder about the chain because the rollers on this one are slightly narrower than before but it's the same x10 chain with the only differences being that this one is specifically marked e bike and that it's XXXSP

There were only three too choose from and they were all the same - KMC Chain

Since examining both chains I've found that the old one was marked x10 only with no additional letters and XXSP but the only one I've found online like this was for a non e bike.
Emmmmmmmmmmmm ... could it be that i've got the wrong one ? ?
 
Last edited:

eFat

Active member
Founding Member
Feb 4, 2018
342
270
Switzerland
You have a 10-speed cassette? So the 10-speed chain must work, any of them.

I see now that it's a Bosch motor. This small sprocket wears faster, I have to replace it at the same time as the chain.
 

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