D.I.D : DID/PBR Chain Kit 520VX3 13/50 Standard - Ultra-Light Self-Cleaning Hard Anodized Rear Sprocket €122.51
AFAM 481732 : AFAM Chain kit 520XHR2 16/43 Super-Reinforced - Ultra-light Hard anodized rear sprocket €211.66
AFAM 48012686 : AFAM Chain Kit 530XHR2 17/45 Super-Reinforced - Ultra-Light Hard Anodized Rear Sprocket €256.91
D.I.D 485692 : DID/PBR Chain kit 520ZVM-X 17/43 Super-Reinforced - Ultra-light Hard anodized rear sprocket €189.79