Vortex CK2152 Chain and Sprocket Kit WSS - Warranty Steel Kit, Stock Gearing Fits Honda CBR1000RR 06-15 Kit Gearing, Ratio 2.63, Front 16 Rear 42 OE Gearing, Ratio 2.63, Front 16 Rear 42 Kit Components, Front 3523-16, Rear 251S-42, Chain 530SV3-116