JT DRIVE CHAIN 482444 : JT Chain Kit 520HDS 13/49 Super-Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €62.95
AFAM 40600077 : AFAM Chain Kit 520XRR3 13/51 Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €164.33
D.I.D 485522 : DID/JT Chain Kit 520DZ2 14/45 Super-Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €90.76
AFAM 3039134 : AFAM Chain Kit 520MX6 13/50 Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €142.69
D.I.D 3029711 : DID/PBR Chain kit 525ZVM-X2 15/42 Super-Reinforced - Ultra-light Hard anodized rear sprocket €260.61