D.I.D 485652 : DID/PBR Chain Kit 520ERT3 14/52 Super-Reinforced - Ultra-Light Self-Cleaning Hard Anodized Rear Sprocket €122.39
D.I.D 486963 : DID/JT Chain Kit 520ERT3 15/45 Super-Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €101.86
AFAM 3038817 : AFAM Chain Kit 520MX6 11/42 Reinforced - Ultra-Light Hard Anodized Rear Sprocket €126.21