JSHOUBIKE Bicycle Pulley Bearing Wheel 11T 13T14T15T16T17T Road Bike Derailleur
Size: 11T,12T,13T,14T,15T,16T,17T. FASTER SPEED: Positive and negative tooth guide wheel, no strange voice and faster speed. Acrew axis: Fit for 5 MM roller screw axis.
Size: 11T,12T,13T,14T,15T,16T,17T. FASTER SPEED: Positive and negative tooth guide wheel, no strange voice and faster speed. Acrew axis: Fit for 5 MM roller screw axis.