PBR 4649 49 TC6 : PBR Twin Color Aluminium Ultra-Light Self-Cleaning Hard Anodized Rear Sprocket 4649 - 520 €52.30
JT DRIVE CHAIN : DID/JT Chain Kit 420D 13/53 (No OEM Ratio) Standard - Steel Standard Rear Sprocket €46.65
D.I.D 485807 : DID/PBR Chain Kit 520VX3 14/41 Reinforced - Ultra-Light Hard Anodized Rear Sprocket €215.55
D.I.D : DID/JT Chain Kit 520ERT3 16/50 Super-Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €103.22
D.I.D 48010996 : DID/PBR Chain Kit 520ERT3 14/48 Super-Reinforced - Ultra-Light Rear Sprocket €109.03
D.I.D 485596 : DID/REN Chain Kit 520ERT3 14/52 Racing - Ultra-Light Self-Cleaning Rear Sprocket €146.85