D.I.D : DID/JT Chain Kit 520ERT3 14/50 Super-Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €102.53
AFAM 482692 : AFAM Chain kit 525XHR3 17/39 Super-Reinforced - Ultra-light Hard anodized rear sprocket €203.08
D.I.D 485533 : DID/JT Chain Kit 520VX3 17/40 Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €104.00
PBR 270 52 TC4 : PBR Twin Color Aluminium Ultra-Light Self-Cleaning Hard Anodized Rear Sprocket 270 - 520 €52.30
AFAM : AFAM Chain kit 525XHR3 16/42 Super-Reinforced - Ultra-light Hard anodized rear sprocket €220.90
AFAM : AFAM Chain kit 520XSR 16/43 Super-Reinforced - Ultra-light Hard anodized rear sprocket €176.69