AFAM 48010167 : AFAM Chain Kit 525XSR2 16/45 Super-Reinforced - Ultra-Light Hard Anodized Rear Sprocket €193.13
D.I.D : DID/JT Chain Kit 520ERT3 13/50 Super-Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €108.06
AFAM 48012295 : AFAM Chain Kit 520XSR 16/44 Super-Reinforced - Ultra-Light Hard Anodized Rear Sprocket €175.31
D.I.D : DID/JT Chain Kit 520ERT3 14/47 Super-Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €100.15