D.I.D 48011076 : DID/PBR Chain Kit 520ERT3 13/50 Super-Reinforced - Ultra-Light Self-Cleaning Hard Anodized Rear Sprocket €119.80
AFAM 48010354 : AFAM Chain Kit 520XRR3 13/52 Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €156.79
D.I.D 484442 : DID/JT Chain Kit 520ERT3 13/48 Super-Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €99.80
AFAM 48010280 : AFAM Chain Kit 520XLR2 13/50 Standard - Ultra-Light Self-Cleaning Rear Sprocket €139.30