AFAM 3038412 : AFAM Chain Kit 520MX6 13/48 Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €138.24
JT DRIVE CHAIN : JT/JT Chain Kit 420HDR 11/52 (OEM Ratio) Reinforced - Steel Standard Rear Sprocket €38.09
AFAM 48011935 : AFAM Chain Kit 530XRR2 15/43 Reinforced - Ultra-Light Hard Anodized Rear Sprocket €188.68
AFAM 48011569 : AFAM Chain Kit 520XRR3 13/52 Reinforced - Ultra-Light Hard Anodized Rear Sprocket €146.51