M7 Titanium Bolt Socket Cap Head Hex MTB Stem Screw 20/25/30/32/35/40/43/45/50mm. ● Size: M7×20/25/30/32/35/40/43/45/50mm. ● 【High Quality 】: Adopt High Standard TC4 Titanium Alloy Raw Material,Titanium Bolts Are More Resistant to Acid and Corrosion than Other Materials.