AFAM 482613 : AFAM Chain kit 520XSR 16/44 Super-Reinforced - Ultra-light Hard anodized rear sprocket €175.31
RENTHAL 1540-520-50GPRD : RENTHAL Twinring Aluminium Ultra-Light Self-Cleaning Hard Anodized Rear Sprocket HA - 520 €157.78
D.I.D 3028032 : DID/JT Chain kit 525ZVM-X2 15/39 Super-Reinforced - Ultra-light rear sprocket €153.92
AFAM 48012468 : AFAM Chain Kit 520XHR2 17/43 Super-Reinforced - Ultra-Light Hard Anodized Rear Sprocket €202.74