... 6063, 6061 Size: 12'',16'',18'',20", 24", 26'' Colour: black ,silver Bicycle rim profile,Aluminum extrusion,aluminum alloy profileFeatures: 1) Made ... )Temper: T5, T6 3) Size: 12'',16'',18'',20", 24", 26"4) Colors: include silver, black, acid sand silver and acid ... with mount and thermoplastic or corrugated paper, bundled2) Framed up Bicycle Rim Profiles