... Tube 4. Disc and V Brake Titanium Fork for MTB Bike Frame Material:3Al/2.5V titanium with 6Al/4V machined ... and titanium material for bicycle manufacturing (Gr.9/Gr.5 titanium tubing, rods, sheet, welding wire etc. ). For more product information, pelase ... contact us. Titanium Fork for MTB Bike Frame with 1" Steering Tube,Disc Brake ...