AFAM 48011602 : AFAM Chain Kit 520XRR3 13/52 Reinforced - Ultra-Light Hard Anodized Rear Sprocket €146.51
D.I.D 3029696 : DID/PBR Chain kit 525ZVM-X2 15/42 Super-Reinforced - Ultra-light Hard anodized rear sprocket €260.61
D.I.D : DID/PBR Chain Kit 520VX3 13/50 Standard - Ultra-Light Self-Cleaning Hard Anodized Rear Sprocket €127.58