AFAM 48011925 : AFAM Chain Kit 520XSR 16/42 Super-Reinforced - Ultra-Light Hard Anodized Rear Sprocket €179.42
AFAM 48011356 : AFAM Chain Kit 520XRR3 14/50 Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €155.43
AFAM 3038551 : AFAM Chain Kit 520MX6 13/52 Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €143.85