... 11'8" steering tube 4. Disc and V Brakes Titanium Bicycle Fork1. Material: 3Al/2.5V titanium with 6Al/4V machined bosses.2 ... Offset: 454. Steering Tube: 11/8"5. Features: Disc and v brakes We supply titanium frames (road, triathlon, track, BMX, cycloss etc ... seat posts, fork, spacer, headset etc. ) and titanium material for bicycle manufacturing (Gr.9/Gr.5 titanium tubing, rods, sheet, welding wire  ...