AFAM 48011551 : AFAM Chain Kit 520XRR3 12/50 Reinforced - Ultra-Light Hard Anodized Rear Sprocket €145.49
AFAM 48013125 : AFAM Chain Kit 520XHR2 16/45 Super-Reinforced - Ultra-Light Hard Anodized Rear Sprocket €202.39
AFAM 484795 : AFAM Chain kit 525XHR3 15/40 Super-Reinforced - Ultra-light Hard anodized rear sprocket €200.33