AFAM 48012143 : AFAM Chain kit 525XSR2 16/42 Super-Reinforced - Ultra-light Hard anodized rear sprocket €181.48
AFAM : AFAM Chain kit 520XSR 15/44 Super-Reinforced - Ultra-light Hard anodized rear sprocket €171.19
D.I.D 48010349 : DID/PBR Chain Kit 520ERT3 13/52 Super-Reinforced - Ultra-Light Rear Sprocket €107.80
AFAM 480160 : AFAM Chain Kit 525XHR3 16/43 Super-Reinforced - Ultra-Light Hard Anodized Rear Sprocket €229.48