... for MTB Bike Frame Material:3Al/2.5V titanium with 6Al/4V machined bosses.1. Size:26"2. ... Offset:35mm3. 1" Steering Tube4. Disc and V BrakeWe supply titanium frames (road, triathlon, track, ... , stems, seat posts, fork, spacer, headset etc. ) and titanium material for bicycle manufacturing (Gr.9/Gr.5 titanium ... us. Titanium Fork for MTB Bike Frame with 1" Steering Tube,Disc Brake and V Brake