D.I.D 484747 : DID/PBR Chain Kit 520ERV7 16/44 Racing - Ultra-Light Hard Anodized Rear Sprocket 240,87 €
AFAM : AFAM Chain Kit 428XMR 13/53 (No OEM Ratio) Super-reinforced - Steel Standard Rear Sprocket 96,81 €
RENTHAL 482346 : RENTHAL Chain Kit 520R1 13/48 Standard - Ultra-Light Self-Cleaning Rear Sprocket 218,29 €