D.I.D 482512 : DID/JT Chain Kit 520DZ2 12/48 Super-Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €88.39
AFAM 3038166 : AFAM Chain Kit 520MX6 13/49 Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €140.75
AFAM 3039876 : AFAM Chain Kit 520MX6 13/50 Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €140.98
D.I.D 3029805 : DID/PBR Chain kit 525ZVM-X2 15/43 Super-Reinforced - Ultra-light Hard anodized rear sprocket €194.82