D.I.D 40600075 : DID/PBR Chain Kit 520ERT3 13/51 Super-Reinforced - Ultra-Light Rear Sprocket €106.72
D.I.D : DID/PBR Chain Kit 520VX3 13/50 Standard - Ultra-Light Self-Cleaning Hard Anodized Rear Sprocket €119.92
D.I.D 48011127 : DID/PBR Chain Kit 520ERT3 13/49 Super-Reinforced - Ultra-Light Rear Sprocket €108.43
AFAM : AFAM Chain kit 530XHR2 16/43 Super-Reinforced - Ultra-light Hard anodized rear sprocket €250.74