... finish,anodized,powder coated Cut,punch,drill ISO9001,SGS,ROHS aluminium extrusion bicycle rim profile 1. Material: 6063,6005,60612. ... T5 or T63. Finish: Mill finished, anodized,powder coated,polished,brushed,sand blasted 4. Various colors: Silver,bronze,black,gold,blue ... customers' different requirements. 9. OEM service available, customized design available aluminium extrusion bicycle rim profile