AFAM : AFAM Chain Kit 520XHR2 15/39 Super-Reinforced - Ultra-light Hard Anodized Rear Sprocket Without Ducati Rear Sprocket Car €190.74
AFAM 48011424 : AFAM Chain Kit 520XRR3 14/48 Reinforced - Ultra-Light Self-Cleaning Rear Sprocket €156.45
AFAM 48010791 : AFAM Chain Kit 520XLR2 13/51 Standard - Ultra-Light Self-Cleaning Rear Sprocket €145.14