14-20 Yamaha FZ09/MT09 Vortex Aluminum F5 520 Rear Sprocket
Vortex Aluminum F5 Rear Sprocket Made from the highest grade 7075 T6 aluminum, lightweight and durable CNC machining to the tightest tolerances and a perfected tooth design make for greater longevity and more efficient power transfer PTFE black hardcoat Unique design