After its asphalt-centric beginnings, Sierra was reinvented in 1983 as the cornerstone of Schwinn’s All-Terrain Bike (ATB) lineup. By 1984, the Sierra and new High Sierra were officially rebranded as mountain bikes, becoming the flagship off-road models in Schwinn’s catalog, with the High Sierra sitting at the top of the schwinn bike MTB category. Schwinn… Continue reading Electric Bikes