Bafang M820 CEF50 carbon frame maintenance/repairs/replacement parts thread

hamncheez

Member
Mar 9, 2021
28
5
USA
First off, I love my CEF50:
View attachment CEF50-carbon.jpg
Of course this frame isn't perfect, headset routing sucks, I had to dremel a pit in the carbon to allow for the Cane Creek to fit, etc. However, the entire build including frame, motor, and battery is about $3k for me so thats not too bad, especially for a total build weight of exactly 42 pounds.

Anyways, with the other m820 and CEF50 threads getting over a hundred pages long, I thought I'd start a new one SPECIFICALLY FOR MAINTENANCE, REPAIRS, AND REPLACEMENT PARTS for this frame.

If you spend hours reading the other threads, there are several recurring problems the CEF50 has. They are:

  • Headset creaking
  • Bolts coming loose
  • Cracking near the Horst link (rear) pivot on the chainstay, drive side
I've only encountered the first two. Anything else to be added?
 

hamncheez

Member
Mar 9, 2021
28
5
USA
Personally, I've had several bolts come loose- the motor mounts and the driveside rear chainstay pivot, which I lost this morning. Anyone know of how to get a replacement?

Don't neglect your thread locker!

1714580042629.png
 

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