AFAM 481831 : AFAM Chain kit 530XHR2 16/40 Super-Reinforced - Ultra-light Hard anodized rear sprocket €244.57
AFAM 48013137 : AFAM Chain Kit 520XHR2 16/41 Super-Reinforced - Ultra-Light Hard Anodized Rear Sprocket €201.01
D.I.D 3029707 : DID/PBR Chain kit 525ZVM-X2 15/41 Super-Reinforced - Ultra-light Hard anodized rear sprocket €260.61