A few participants began designing and building small numbers of mountain bikes with frames made out of modern butted chrome-molybdenum alloy steel. Using the standard electro-forged cantilever frame, and fitted with five-speed derailleur gears and knobby tires, the Klunker 5 was never heavily marketed, and was not even listed in the Schwinn product catalog. Unlike… Continue reading Schwinn Bicycle Shops in Sioux Falls, SD with Reviews