A:The Bafang BBS01/02 will fit a wide range of road, hybrid, cargo and mountain bikes. The  Bafang is compatible with 68mm to 73mm width bottom brackets with standard thread. A 73mm width fit may cause some chain line issues. 

And we have extension kit 100mm,if your bike is with bb100mm.

   For BBSHD/BBS03,it can fit bike with bb68/100/110/120mm.