SHIMANO SS-7600 Sprocket Parts ( Select Option=15T 1/2″X1/8″ #279 1510)

The Shimano SS-7600 Track sprocket is compatible with 1/2″ x 1/8″ chains and is specially designed for the Dura-Ace Track cranks. It has a thread of 1.37 x 24 TPI. The steel sprocket is available with 13, 14, 15, or 16 teeth.