AFAM 48011397 : AFAM Chain Kit 520MR2 10/40 Standard - Ultra-Light Hard Anodized Rear Sprocket €90.28
AFAM 3039898 : AFAM Chain Kit 520MX6 13/51 Reinforced - Ultra-Light Hard Anodized Rear Sprocket €133.91
D.I.D 485602 : DID/REN Chain Kit 520ERT3 14/50 Racing - Ultra-Light Self-Cleaning Rear Sprocket €140.92
AFAM 48010097 : AFAM Chain kit 520XSR 16/46 Super-Reinforced - Ultra-light Hard anodized rear sprocket €185.24
AFAM 48010706 : AFAM Chain kit 520MR2 11/42 Standard - Ultra-light Hard anodized rear sprocket €95.43