AFAM 48012287 : AFAM Chain Kit 520XSR 15/40 Super-Reinforced - Ultra-Light Hard Anodized Rear Sprocket €167.08
AFAM : AFAM Chain kit 525XSR2 16/41 Super-Reinforced - Ultra-light Hard anodized rear sprocket €194.86
AFAM 484987 : AFAM Chain kit 520XRR3 13/49 Reinforced - Ultra-light Self-cleaning rear sprocket €141.36
AFAM 481891 : AFAM Chain kit 525XMR3 15/45 Standard - Ultra-light Hard anodized rear sprocket €166.06