1)Bicycle Frame 2)Samples available 3)Customized logo design 4)Material :steel, 5)size customize 1)Bicycle Frame2)Samples available 3 ... )Customized logo design4)Material :steel,5)size :12" 14" 16" 20 ",22",24",26" ... a manufacturer specialized in steel/alloy bicycle parts ,kid’s bicycle and man’s bicycle , such as bicycle frame, front fork, handlebar, stem, headset ...