D.I.D : DID/JT Chain Kit 520ERT3 13/51 Super-Reinforced - Ultra-Light Self-Cleaning Rear Sprocket 104,99 €
PBR 270 51 TC4 : PBR Twin Color Ultraleichtes harteloxiertes selbstreinigendes Kettenrad Aluminium 270 - 520 52,30 €
D.I.D : DID/PBR Chain Kit 520ERT3 14/52 Super-Reinforced - Ultra-Light Self-Cleaning Hard Anodized Rear Sprocket 122,39 €