AFAM 48011505 : AFAM Chain kit 520XRR3 13/52 Reinforced - Ultra-light Hard anodized rear sprocket €146.51
D.I.D 3036407 : DID/PBR Chain Kit 525ZVM-X2 17/45 Super-Reinforced - Ultra-Light Rear Sprocket €213.66
D.I.D 40600045 : DID/PBR Chain Kit 520VX3 14/45 Reinforced - Ultra-Light Hard Anodized Rear Sprocket €153.61