... 1.Material:3Al/2.5V titanium 2.Size:48-60cm 3.Weight:1.4-1.5kgs 4 ... .9mmround tubeDown tubeOD34.9/38.1/40/42/48 x 0.9mmround tubeSeat tubeOD31.8/34.9 ... frames (MTB, triathlon, track, BMX, cyclocross etc. ), titanium bicycle parts (handlebar, clamp, stems, seat posts, fork, spacer, ... headset etc. ) and titanium material for bicycle manufacturing (Gr.9/Gr.5 titanium tubing, rods, sheet, ...