D.I.D : DID/JT Chain Kit 520ERT3 12/50 Super-Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €105.28
D.I.D 100106104 : DID/JT Chain Kit 520DZ2 13/47 Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €84.52
AFAM 48010548 : AFAM Chain Kit 420MX2 11/44 Standard - Ultra-Light Hard Anodized Rear Sprocket €78.97