D.I.D 48100020 : DID/PBR Chain Kit 520VX3 15/45 Reinforced - Ultra-Light Hard Anodized Rear Sprocket €149.17
AFAM 48013092 : AFAM Chain Kit 520XSR 16/43 Super-Reinforced - Ultra-Light Hard Anodized Rear Sprocket €176.69
D.I.D : DID/JT Chain Kit 520ERT3 13/53 Super-Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €106.02
RENTHAL 485660 : RENTHAL Chain Kit 520R1 13/50 Standard - Ultra-Light Self-Cleaning Rear Sprocket €218.74