... banjo bolt,Ti spring,Ti bullet valve stem caps, Ti dura-ace brake mounting bolt,Ti crank arm dust caps,Ti brake ... /4V titanium Diameter: 31.8mm Specifications Top Quality of Titanium Bicycle Parts Titanium seatpost, titanium seatclamp, titanium headset, titanium fork, handlebar ... .9mm Ti headset1 1/8" We also supply other titanium bicycle parts, such as titanium seatpost, fork, headset, seatclamp etc. ...