AFAM : AFAM Chain kit 525XHR3 17/42 Super-Reinforced - Ultra-light Hard anodized rear sprocket €216.79
D.I.D 486366 : DID/PBR Chain Kit 520DZ2 14/50 Reinforced - Ultra-Light Self-Cleaning Hard Anodized Rear Sprocket €109.52
RENTHAL 486382 : RENTHAL Chain Kit 520R3 13/48 Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €256.91
AFAM : AFAM Chain kit 520XSR 16/41 Super-Reinforced - Ultra-light Hard anodized rear sprocket €176.69