AFAM 48010969 : AFAM Chain Kit 520XRR3 13/50 Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €154.74
D.I.D 3029694 : DID/PBR Chain kit 525ZVM-X2 15/39 Super-Reinforced - Ultra-light Hard anodized rear sprocket €266.00
D.I.D : DID/JT Chain Kit 520ZVM-X 14/45 Super-Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €149.65