Get High-Carbon Steel 30 Rim road bicycle racing car 30 speed bend, double disc brake, 700C speed change student bicycle only US $244.80 - 277.44 just for today
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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.
About Product
Colour Type:. 4 typesMaterial : High carbon steelSpeeds types: 21 speeds , 24speeds , 27 speeds, 30 speedsWheel size: about 26 inch (700C)Bike Weight : about 18 kgRim: about 30mmPlease NOTE: This product is not avaliable to Brazil. Brazil's Custom always detain our product.
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
About shipment
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.
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