1984 Schwinn High Sierra Mountain Bike. 23" c-t seat tube, 22" c-c seat tube, 23 1/4" c-c top tube, 32 3/4" stand-over height. Best for riders 5'11"-6'1". Lightwight 4130 chromoly main tubes and stays. First year "green trees" logo bike and the top of the line model in 1984 (pre-Cimarron). All original bi...