AFAM 48012952 : AFAM Chain Kit 520XSR 15/45 Super-Reinforced - Ultra-Light Hard Anodized Rear Sprocket €185.24
AFAM 48011516 : AFAM Chain kit 520XRR3 12/50 Reinforced - Ultra-light Hard anodized rear sprocket €145.49
AFAM 48011131 : AFAM Chain Kit 520XRR3 13/48 Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €154.39
D.I.D 3029778 : DID/PBR Chain kit 525ZVM-X2 16/41 Super-Reinforced - Ultra-light Hard anodized rear sprocket €203.27
AFAM 48011387 : AFAM Chain Kit 520XRR3 14/50 Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €154.04