AFAM 483683 : AFAM Chain kit 525XSR2 16/43 Super-Reinforced - Ultra-light Hard anodized rear sprocket €186.63
AFAM 3038934 : AFAM Chain Kit 520MX6 13/48 Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €139.26
AFAM : AFAM Chain kit 530XHR2 17/43 Super-Reinforced - Ultra-light Hard anodized rear sprocket €245.93