D.I.D 482516 : DID/JT Chain Kit 520DZ2 13/51 Super-Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €93.56
PBR 808 53 TC8 : PBR Twin Color Aluminium Ultra-Light Self-Cleaning Hard Anodized Rear Sprocket 808 - 520 €52.30
D.I.D 3029718 : DID/PBR Chain kit 525ZVM-X2 15/42 Super-Reinforced - Ultra-light Hard anodized rear sprocket €260.61
D.I.D 482544 : DID/JT Chain Kit 420NZ3 13/51 Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €63.10
AFAM : AFAM Chain kit 525XSR2 17/45 Super-Reinforced - Ultra-light Hard anodized rear sprocket €191.42
D.I.D 483600 : DID/JT Chain Kit 520DZ2 12/50 Super-Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €93.70