aluminum alloy bicycle frame Light in weight,high strength,no deformation Vibration test times: 113130 Magnesium Alloy Bicycle Frame's Characteristic 1.physical property Light in weight,high strength,no deformation2. Vibration test Vibration test times: 113130 Vibration test results: no fissure 3. Magnesium Alloy Bicycle Frame's surface adopts titanium silver alloy surface protective coating, ...