AFAM 48011246 : AFAM Chain Kit 428MX 13/51 Standard - Ultra-Light Hard Anodized Rear Sprocket €112.56
D.I.D 48010827 : DID/PBR Chain Kit 520ERT3 13/48 Super-Reinforced - Ultra-Light Rear Sprocket €105.07
AFAM 48011571 : AFAM Chain Kit 520XRR3 13/51 Reinforced - Ultra-Light Hard Anodized Rear Sprocket €146.51
RENTHAL 484995 : RENTHAL Chain Kit 520R1 13/50 Standard - Ultra-Light Self-Cleaning Rear Sprocket €237.88