AFAM 48010707 : AFAM Chain kit 520MR2 11/41 Standard - Ultra-light Hard anodized rear sprocket €93.03
JT DRIVE CHAIN : JT/JT Chain Kit 420HDR 13/47 (OEM Ratio) Reinforced - Steel Standard Rear Sprocket €37.02
AFAM 48011391 : AFAM Chain kit 520XRR3 14/48 Reinforced - Ultra-light Self-cleaning rear sprocket €151.99