AFAM 48012175 : AFAM Chain kit 525XHR3 15/41 Super-Reinforced - Ultra-light Hard anodized rear sprocket €205.49
D.I.D : DID/PBR Chain Kit 420D 11/51 (OEM Ratio) Standard - Aluminium Ultra-Light Rear Sprocket €56.10
AFAM 40600055 : AFAM Chain kit 420MX2 14/47 Standard - Ultra-light Hard anodized rear sprocket €93.37
D.I.D : DID/PBR Chain kit 520ZVM-X 17/39 Super-Reinforced - Ultra-light Hard anodized rear sprocket €182.32