1) Frame:High-carbon steel.
2) Fork:high-carbon steel
3) Handlebar: alloy
4) Chain ande crank: steel.
5) Rim: aluminum alloy ,
6) Break:F/R caliper brake.
7) Accessories: mudguar,bracket,chaincover,basket,toolbox.
8) Color:red,black.pink,white,erc. Any color you like.
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Products: zinc carbon battery,
lcm bed frame