Aluminum rear sprockets are precision manufactured and induction hardened to precise tolerances to improve concentricity and provide a stronger, quieter and longer-lasting sprocket

Plated to resist corrosion and provide the factory works look

Drilled lightening holes reduce rotating mass

Available in aluminum or F5 PTFE black hardcoat

F5 PTFE black is built for endurance and is hard anodized with a jet black dye, then coated with PTFE for added lubricity