This mountain bicycle with 21-speeded gear has 26 inch spoke wheels and non foldable aluminium alloy frame.
F&Q:
1.What is the benefits of aluminium alloy frame?
Aluminum is not used in its pure, because it is too soft. This term means alloys mixed with other metals: zinc, copper, magnesium, manganese and etc.
Advantages of aluminium alloy frame:
· - Aluminum is not corroded, as it is oxidized by contact with oxygen. This oxide film protects it from rusting, so scratching on an aluminum frame is not critical.
