Model:TSB-STA01 Material:Titanium Gr9(TI- 3AL-2.5V) Specification:25.4mm,31.8mm Name:StemModel:TSB-STA01Material:Titanium Gr9(TI- 3AL-2.5V)Specification:Φ25.4mm,Φ31.8mmRise:5°,8°,15°Length:80mm, 90mm, 100mm, 110mm, 120mmSurface: Hand brushing or Sand blasting TSB-STA01 GR9 tianium alloy bicycle stem