GMX Chip Red 50cc Dirt Bike The GMX 50cc Chip Dirt Bike is the smallest 4 stroke dirt bike in the GMX range. It has a kick start and electric start option and has a semi-automatic transmission. GMX dirt bikes are heavier than other comparable brands in the market due to the uniquely made frame which is built thicker and stronger to last longer. https://www.gmxmotorbikes.com.au/50cc-dirt-bikes/gmx-chip-red-50cc-dirt-bike #gmxmotorbikes #kidsmotorbike