... high quality and competitive price material: titanium Titanium bicycle drive system with high quality and ... shaft liners, flange, gear wheel, sprocket wheel. Titanium and Titanium alloy specifications: 1Common Ground a, Bolt sizes:M4 ... Titanium for the chemical aspects,PCBequipment,electrodes. b, Titanium alloy used in Bicycle,Motorcycles,Electric Vehicles,Medical,Aircarft,Weapons etc Titanium bicycle ...