This is about wheel drive belts, chains and sprockets on dual belt or belt & chain models. The bigger the shaft sprocket, the more the torque or low end pulling power, while smaller provides more top speed. we offer 12 & 13 toothed hardened shaft sprockets. Wheel sprocket is the same principal. small=speed & large=torque/pull. Cobra & The Rock & Nuke are 20 tooth shaft/belt gear to 60 toothed wheel belt gear=ratio 1:3 which provides good speed on 9 inch tire. most other models are: 1:3.16 or 1:3.95 gear ratio which provides good torque. big wheel models are 1:5.1 select your factory or custom gear ratio by selecting 1 of 2 available #35 Chain Drive shaft/hub mount sprockets and many different wheel plate style sprockets. shaft sprockets have set screw, but must be welded to shaft after determining correct position & tracking. wheel sprockets are bolt on. call scooterman @ 256.468.2761 u.s.a. english for assistance in ordering custom chain drive.

#35Chain1/2Link

#35 Chain 47 inch W/Master Link For Big Wheel Models Using 52 or 60 tooth wheel sprockets & 12 or 13 tooth shaft sprockets.

#35 Chain Master Link

#35 Chain Stainless Steel 1/2Link

#35 Chain Stainless Steel 47inch With Master Link

#35 Chain Stainless Steel Master Link

#35-12 & 13 Toothed Shaft Sprocket For Big Wheel Models Available Momentarily 13 tooth is for added torque. Select desired sprocket.

#35 Sprocket For Wheel On Big Wheel models 52 tooth. can be used on 10 inch tire for torque or big wheel model for speed. This is the Cobra Extreme or Rocky factory wheel sprocket. This is for speed. for factory ratios on Raser big wheel order 60 tooth.

#35 Sprocket For Big Wheel. 60 tooth hardened sprocket p/n 2299k321

140 millimeter Brake Rotor With 44mm bolt spacing cobra extreme or Rocky rear disc brake rotor . Fits other models as front and rear brake rotor. also fits Chuweng models like THS & Raser & xlt pro SCOOTR R5 & Salorr & Star II & Raser FX

INNER TUBE-145/70-6