D.I.D 482815 : DID/PBR Chain kit 520ZVM-X 16/43 Super-Reinforced - Ultra-light Hard anodized rear sprocket €189.79
RENTHAL 482419 : RENTHAL Chain Kit 520R1 13/49 Standard - Ultra-Light Self-Cleaning Rear Sprocket €218.74
AFAM : AFAM Chain kit 520XSR 15/43 Super-Reinforced - Ultra-light Hard anodized rear sprocket €173.59
AFAM 48010992 : AFAM Chain Kit 520XRR3 13/52 Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €158.16
AFAM 48011524 : AFAM Chain Kit 520XRR3 13/50 Reinforced - Ultra-Light Hard Anodized Rear Sprocket €146.51