D.I.D : DID/PBR Chain kit 520ZVM-X 16/45 Super-Reinforced - Ultra-light Hard anodized rear sprocket €185.99
AFAM 3038406 : AFAM Chain Kit 520MX6 14/47 Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €136.74
D.I.D 483603 : DID/JT Chain Kit 520DZ2 13/48 Super-Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €97.23
JT DRIVE CHAIN 485446 : JT Chain Kit 520X1R 14/48 Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €85.45