RENTHAL 2240-520-48GPBU : RENTHAL Twinring Aluminium Ultra-Light Self-Cleaning Hard Anodized Rear Sprocket HA - 520 €157.78
D.I.D 3035794 : DID/PBR Chain Kit 525ZVM-X2 17/44 Super-Reinforced - Ultra-Light Rear Sprocket €219.50
AFAM 48012776 : AFAM Chain Kit 525XHR3 15/38 Super-Reinforced - Ultra-light Hard Anodized Rear Sprocket Without Ducati Rear Spro €193.14