D.I.D 48012181 : DID/PBR Chain Kit 525VX3 15/40 Standard - Ultra-Light Hard Anodized Rear Sprocket €157.43
D.I.D 48010825 : DID/PBR Chain Kit 520ERT3 13/49 Super-Reinforced - Ultra-Light Rear Sprocket €103.36
RENTHAL 484352 : RENTHAL Chain Kit 520R3 14/50 Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €258.81
AFAM 48011336 : AFAM Chain Kit 520XLR2 13/48 Standard - Ultra-Light Hard Anodized Rear Sprocket €131.76