JT DRIVE CHAIN 484274 : JT Chain Kit 520X1R 13/52 Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €89.45
AFAM 48011392 : AFAM Chain Kit 520XSR 14/50 Super-Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €177.02
AFAM 48012772 : AFAM Chain Kit 520XHR2 15/42 Super-Reinforced - Ultra-Light Hard Anodized Rear Sprocket Without Ducati Rear Spro €196.22