AFAM 48012694 : AFAM Chain Kit 520XSR 16/48 Super-Reinforced - Ultra-Light Hard Anodized Rear Sprocket €185.94
AFAM : AFAM Chain kit 525XHR3 16/42 Super-Reinforced - Ultra-light Hard anodized rear sprocket €223.31
D.I.D : DID/PBR Chain Kit 520ERT3 13/51 Super-Reinforced - Ultra-Light Self-Cleaning Hard Anodized Rear Sprocket €120.68