AFAM 40600071 : AFAM Chain kit 520XRR3 13/50 Reinforced - Ultra-light Self-cleaning rear sprocket €141.36
AFAM : AFAM Chain kit 525XHR3 15/43 Super-Reinforced - Ultra-light Hard anodized rear sprocket €213.02
AFAM 48010733 : AFAM Chain kit 520XRR3 13/49 Reinforced - Ultra-light Self-cleaning rear sprocket €139.99
D.I.D 3042322 : DID/PBR Chain Kit 525ZVM-X2 15/42 Super-Reinforced - Ultra-Light Hard Anodized Rear Sprocket €260.61