D.I.D : DID/JT Chain Kit 520ERT3 14/50 Super-Reinforced - Ultra-Light Self-Cleaning Rear Sprocket 102,53 €
D.I.D 482512 : DID/JT Chain Kit 520DZ2 12/48 Super-Reinforced - Ultra-Light Self-Cleaning Rear Sprocket 88,39 €