AFAM 48011045 : AFAM Chain Kit 520MR2 13/53 Standard - Ultra-Light Hard Anodized Rear Sprocket €120.11
D.I.D 3029801 : DID/PBR Chain kit 525ZVM-X2 15/40 Super-Reinforced - Ultra-light Hard anodized rear sprocket €189.46
AFAM 3039155 : AFAM Chain Kit 520MX6 13/50 Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €141.44