AFAM 3039881 : AFAM Chain Kit 520MX6 9/42 Reinforced - Ultra-Light Hard Anodized Rear Sprocket €123.79
AFAM 484797 : AFAM Chain kit 525XHR3 15/40 Super-Reinforced - Ultra-light Hard anodized rear sprocket €200.33
D.I.D 3041124 : DID/PBR Chain Kit 525ZVM-X2 15/43 Super-Reinforced - Ultra-Light Hard Anodized Rear Sprocket €316.08
D.I.D 3041191 : DID/PBR Chain Kit 525ZVM-X2 17/43 Super-Reinforced - Ultra-Light Hard Anodized Rear Sprocket €209.01