Titanium Headset For Bicycle 1. Material:6AL/4V Titanium 2.Size:1 ... /8" 3. Weight:142g 4. For External Head Tube Titanium Headset For Bicycle1. Material:6AL/4V Titanium2.Size:34mm external3. Weight ... a broad range of titanium bicycle parts, such as frame, headset, seatpost, handlebar, stem etc. For more information, please contact us ...