Aluminum VS Steel
Intensity: Steel is much stornger. Weight: Aluminum is much lighter. Corrosion Resistance: Steel is better. Heat Resistance: Steel is better. Electrical Conductivity: Steel is Poor conductor, Aluminum is good conductor. Cost: Aluminum is cheaper.
Wind Breaking Curved Frame
High carbon steel curved girder sports car frame, spot welding process, electrostatic paint, lightweight, high hardness
Controllable Variable Speed System
Professional Variable Speed, Long Life, High Smooth Variable Speed?
Mechanical Double Disc Brake
Mechanical disc brake, strong braking performance, high stability, long service life, easy maintenance
Seling Center Axle
Smooth experience, high sealability, high stability, three-proof seals, easy maintenance
This products is 18kg, the package maybe 20kg, it can't use normal shipping method, because it's too heavy and too large, we may change to other shipping method ,thanks for your understanding, if you don't agree to change shipping method, please do not buy.