Here's an interesting issue.
I've been chasing rattles on my '23 Cube reaction hybrid pro. I padded the battery housing, and tightened stuff up. I have it pretty quiet on the bridle ways apart from a rattle when it gets very bumpy. It sounded like chain whipping and stopped when I free wheeled but started again when pedaling...hmm!
The shimano Derailleur has a clutch which is supposed to stop this (it stiffens the chain tensioner in one direction). My thought was that because of this damping the whipping was being g transferred to the sprag clutch in the motor. To check this I turned the Derailleur clutch off and low and behold the noise stopped.
This behaviour could seriously shorten the life of the motor...if I'm correct.
Thoughts??
I've been chasing rattles on my '23 Cube reaction hybrid pro. I padded the battery housing, and tightened stuff up. I have it pretty quiet on the bridle ways apart from a rattle when it gets very bumpy. It sounded like chain whipping and stopped when I free wheeled but started again when pedaling...hmm!
The shimano Derailleur has a clutch which is supposed to stop this (it stiffens the chain tensioner in one direction). My thought was that because of this damping the whipping was being g transferred to the sprag clutch in the motor. To check this I turned the Derailleur clutch off and low and behold the noise stopped.
This behaviour could seriously shorten the life of the motor...if I'm correct.
Thoughts??
