Materials: TitaniumGr2,Gr5(6Al4V),Aluminum 7075-T6,6061-T6 Spec: M5*30mm,M5*35mm,M5*40mm Treatments: Polished,Anodizing Titanium Ti Thomas Seatpost BoltMaterials: TitaniumGr2,Gr5(6Al4V),Aluminum 7075-T6,6061-T6Spec: M5*30mm,M5*35mm,M5*40mmTreatments: Polished,Anodizing(Blue,Gold,Red,Black,green)