104mm chain ring adapter for smaller chain rings sized 32t to 48t.
When you want to go for something different than the stock chainring.
Suitable for BBSHD Bafang mid drive conversion kits. Not suitable for the BBS motors.
Also included are 5 x (M5 x 16 stainless steel screws).
Adapter is 2mm thick, on some bikes can only attach chain ring and not suitable for attaching both the chain ring and chain ring cover.