1.8/1.3mm thick, multi-butted main tubing - 4 bar construction 1.8/1.3mm thick, multi-butted main tubing - 4 bar construction Built from Odyssey`s legendary 41 Thermal - 4130 Chromoly Butted, traditional 7/8` crossbar for strength Large radius bends for greater durability Welded end caps to reduce flex Post-weld heat-treated