D.I.D 486892 : DID/JT Chain Kit 520ERT3 13/52 Racing - Ultra-Light Self-Cleaning Rear Sprocket €110.54
D.I.D 486869 : DID/JT Chain Kit 520DZ2 14/50 Super-Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €97.31
AFAM 3038386 : AFAM Chain Kit 520MX6 12/48 Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €137.76
D.I.D : DID/JT Chain Kit 520ERT3 12/50 Super-Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €100.42