... ,powder coated Cut,punch,drill ISO9001,SGS,ROHS aluminium extrusion bicycle rim profile 1. Material: 6063,6005,60612. Temper: T5 or ... ,sand blasted 4. Various colors: Silver,bronze,black,gold,blue,grey,champagne,red,etc. 5. Machining: Cutting,punching,drilling,milling,bending ... requirements. 9. OEM service available, customized design available aluminium extrusion bicycle rim profile