D.I.D 48011362 : DID/PBR Chain Kit 520ERT3 13/48 Super-Reinforced - Ultra-Light Rear Sprocket €102.83
D.I.D : DID/PBR Chain Kit 520ERT3 15/50 Super-Reinforced - Ultra-Light Self-Cleaning Hard Anodized Rear Sprocket €122.12