1982 Schwinn Sidewinder or so Schwinn Sidewinder 1st Schwinn Mountain bike. and the last new electroforged model. cantilever brakes, 10 speed. Dia Compe cantilever brakes, Suntour Driveline, alloy high flange hubs, Alloy rims Cast alloy Schwinn embossed stem, wide bars, heavy and strong.
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