RENTHAL 482339 : RENTHAL Chain Kit 428R1 14/50 Standard - Ultra-Light Self-Cleaning Rear Sprocket €168.05
D.I.D : DID/JT Chain Kit 520ERT3 14/46 Super-Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €105.78
AFAM 3038561 : AFAM Chain Kit 520MX6 12/49 Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €137.78