Extreme Downhill Kawasaki KX125 mountain bike with Rohloff Speedhub gearbox

This used to be a 1991 Kawasaki KX125H until I took out the engine and sold it to someone who had just rebuilt a much newer engine and blew it up on its first race. I shortened the frame, reducing the wheelbase by 9 inches, by cutting through the welds around the headstock and cutting out about 4 inches from the frame’s side spar tubes. The top tube was dispensed with and the shortened side spars were re-attached to the top of the headstock, instead of their previous position at the bottom. I maintained th