Description

This is Shimano Bottom Bracket bearing (BB), model SM BB80 that fits all Qulbix bikes and frames (100mm and 83mm BB shells). Item no. 17010.

It is compatible with the Qulbix pedalling system which fits only frames with 100mm BB shell. When you are using Qulbix pedalling system install both spacers! If you are using Shimano (or other brand) pedalling system (cranks) use only one spacer on the chain side. When ordering other brand crank set, make sure what is your BB width before ordering.