AFAM 48011613 : AFAM Chain Kit 520XLR2 13/49 Standard - Ultra-Light Self-Cleaning Rear Sprocket €137.26
AFAM 48013197 : AFAM Chain Kit 520XRR3 14/40 Reinforced - Ultra-Light Hard Anodized Rear Sprocket €125.94
RENTHAL 485396 : RENTHAL Chain Kit 520R1 14/50 Standard - Ultra-Light Self-Cleaning Rear Sprocket €218.74