D.I.D 3034496 : DID/JT Chain Kit 525ZVM-X2 15/36 Super-Reinforced - Ultra-Light Rear Sprocket €146.20
AFAM 48013094 : AFAM Chain kit 525XMR3 15/45 Standard - Ultra-light Hard anodized rear sprocket €168.79
JT DRIVE CHAIN : DID/JT Chain Kit 420D 13/53 (No OEM Ratio) Standard - Steel Standard Rear Sprocket €45.96