Bosch CX motor noise? Yeah, me too. Here's what I did.

Tbone

Member
Here's a post about what I did to fix that noise the comes out of Bosch motors, worst-writer and worst-rider style.


Hope no one minds the link to my blog. Gotta sell it, baby. Just kidding. I got nothing to sell. Seriously. My wife agrees. It's just a blog.

Rant and ride on.
-T
 
Here's a post about what I did to fix that noise the comes out of Bosch motors, worst-writer and worst-rider style.


Hope no one minds the link to my blog. Gotta sell it, baby. Just kidding. I got nothing to sell. Seriously. My wife agrees. It's just a blog.

Rant and ride on.
-T
Interesting read - I’m 20 months into R&M ownership (approaching 6000km) and motor is still fine …. Although I’m two DAYS into ownership of a Specialized Turbo Levo eMTB with their Brose motor.

It’s noticeably quieter than my Bosch HS motor. Going to monitor this carefully going forward.
 
Interesting read - I’m 20 months into R&M ownership (approaching 6000km) and motor is still fine …. Although I’m two DAYS into ownership of a Specialized Turbo Levo eMTB with their Brose motor.

It’s noticeably quieter than my Bosch HS motor. Going to monitor this carefully going forward.
Brose drive units are belt-driven if I recall correctly; they're known for being extremely quiet as a result.
 
Brose drive units are belt-driven if I recall correctly; they're known for being extremely quiet as a result.
Unfortunately, the latest Specialized/Brose motors are not that quiet anymore. The design must have changed.
 
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