JT Steel Rear Sprocket 40T for Street SUZUKI Hayabusa GSX-R1300 1999-2007

Steel Rear Sprocket

O.E.M. Gearing: 17/40

Chain/Links: 520 Conversion

Teeth:40

Using the latest generation of computer design and control metal cutting equipment for maximum durability.

Made from the finest C49 high carbon steel or 7075 T6 aluminum.

Front sprockets are made from chromoly SCM420 steel alloy.

All sprockets are heat-treated and hand-finished to meet or exceed the highest possible quality standards.