AFAM : AFAM Chain Kit 525XSR2 15/39 Super-Reinforced - Standard Rear Sprocket Without Ducati Rear Sprocket Carrier €141.37
D.I.D 3035966 : DID/PBR Chain Kit 525ZVM-X2 15/36 Super-Reinforced - Ultra-Light Hard Anodized Rear Sprocket €265.99
AFAM 482695 : AFAM Chain kit 525XHR3 15/40 Super-Reinforced - Ultra-light Hard anodized rear sprocket €201.37