1). This kit total power is 700W (the motor is 350W each), on a cart can easily carry 300kg.
2). The wheel is 14.5 inch (145/70-6), it is a vacuum tire that is without the inner tube, the wheel axle hole is12mm.
3). The motor is 24V 350W each, they drive the wheel max speed about 8km/h, we also can change the gear to make the max speed about 11km/h or 4km/h.
4). The controller come with 1 fuse wire and 3 fuses, if you burn 1 fuse, you'd better note what makes it burnt and avoid this happen again, or please feel free to contact me for help.