AFAM 48011111 : AFAM Chain Kit 520XRR3 13/48 Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €153.02
D.I.D : DID/PBR Chain Kit 520VX3 16/50 Standard - Ultra-Light Self-Cleaning Hard Anodized Rear Sprocket €120.30
JT SPROCKETS JTA822.50BLK : JT SPROCKETS Aluminium Ultra-Light Self-Cleaning Rear Sprocket 822 - 520 €32.70
AFAM 48010780 : AFAM Chain Kit 520MR2 11/41 Standard - Ultra-Light Hard Anodized Rear Sprocket €93.03