aluminium bicycle rim profile Material:6063,6061,T5,T6 Mill finish,anodized ... Cut,punch,drill ISO9001,SGS,ROHS aluminium extrusion bicycle rim profile 1. Material: 6063,6005,60612. Temper: T5 or ... windows, JB8A8, JB828 and JB828 Sliding Windows, JB50A Door Window, Curtain Wall Frame etc.)7. Certification: ISO9001,SGS,ROHS ... available, customized design available aluminium extrusion bicycle rim profile