Descriptions: 5/6/7/8 speed SIS rear positioning shift; Oblique scaler, precise speed change, reliable speed change; Large guide wheel, beautiful appearance, long service life and low noise; B tension adjustment screw for simple adjustment;
Specification: Cage Length:Long Cage Colour: Black For Bike Type:Universal Model:RDTX35 Number of Speeds:5/6/7/8 speed