PBR 702 51 TC4 : PBR Twin Color Aluminium Ultra-Light Self-Cleaning Hard Anodized Rear Sprocket 702 - 520 €52.30
JT DRIVE CHAIN 483421 : JT Chain Kit 520HDS 12/50 Super-Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €70.12
D.I.D : DID/JT Chain Kit 520ERT3 14/52 Super-Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €100.87
JT SPROCKETS JTA210.45BLK : JT SPROCKETS Aluminium Ultra-Light Self-Cleaning Rear Sprocket 210 - 520 €25.85
D.I.D 3029704 : DID/PBR Chain kit 525ZVM-X2 15/41 Super-Reinforced - Ultra-light Hard anodized rear sprocket €260.61
D.I.D 48100016 : DID/PBR Chain Kit 525VX3 16/43 Standard - Ultra-Light Hard Anodized Rear Sprocket €169.01