This Big Block Drive was designed to fit the swingarm of the Qulbix 76R, 140R and the Mario Bike and Risun Qulbix clones. With 8000 watts of power and half the weight of comparable hub motors, this drive is a substantial performance and handling upgrade for these bikes. It was designed for left side drive, which leaves the right side of the bike for dedicated pedal gearing. It can be run with a freehub with a disc brake flange sprocket adapter or our aluminum billet hub that has left side flanges for both a disc brake rotor and our 96 tooth stainless steel wheel sprocket. Reduction with our 12t #219 motor sprocket and 96t wheel sprocket is 8:1 in one stage.
165mm billet 6061 wheel hub with 4140 chrome moly axle
96t #219 stainless steel wheel sprocket
DID #219 drive chain
Chain tug final drive adjusters.
100A sine wave controller with field weakening.
ACS 16t freewheel cog (right side)