D.I.D 48010980 : DID/PBR Chain Kit 520ERT3 15/48 Super-Reinforced - Ultra-Light Rear Sprocket €109.15
RENTHAL 2240-520-50GPBU : RENTHAL Twinring Aluminium Ultra-Light Self-Cleaning Hard Anodized Rear Sprocket HA - 520 €157.78
AFAM 48011245 : AFAM Chain Kit 420MX2 13/51 Standard - Ultra-Light Self-Cleaning Rear Sprocket €97.48
D.I.D : DID/PBR Chain Kit 520VX3 13/50 Standard - Ultra-Light Self-Cleaning Hard Anodized Rear Sprocket €122.74
D.I.D 3029792 : DID/PBR Chain kit 525ZVM-X2 15/40 Super-Reinforced - Ultra-light Hard anodized rear sprocket €189.46
AFAM 48011597 : AFAM Chain Kit 520XRR3 13/51 Reinforced - Ultra-Light Hard Anodized Rear Sprocket €146.51