Bafang Ultra M620 /G510 chainrings.
There are two types of Ultra M620 chainwheels: MTB chainring and Fatbike /snowbike chainring. The offsets for the two chain wheels are different.
Bafang Ultra M620 /G510 chainrings.
There are two types of Ultra M620 chainwheels: MTB chainring and Fatbike /snowbike chainring. The offsets for the two chain wheels are different.