AFAM 48011404 : AFAM Chain Kit 520MR2 9/44 Standard - Ultra-Light Hard Anodized Rear Sprocket €103.31
AFAM 48011314 : AFAM Chain Kit 520MR2 13/52 Standard - Ultra-Light Hard Anodized Rear Sprocket €110.16
AFAM : AFAM Chain kit 525XHR3 17/39 Super-Reinforced - Ultra-light Hard anodized rear sprocket €205.14