... for you 3.OEM can be offered 4.aluminum rim for you ALLOY BIKE MODEL (26 MTB,21 SPEED) FRAME ... ,2MM THREADLESSED BLKH/BAR CHINA MTB,CURVE TYPE,DIA 22,2X540MM ALLOYWHITEH/STEMCHINA AHEAD STEM, ALLOY ,DIA 25,4MM ... PVC,DIA,22,2X130MM,END TYPEBLKBELL CHINA NIL RIMCHINA ALLOY 7X26X1,75 DOUBLE WALLWHITE W/ CNC TIRE/TUBE/ ... question ,please contact us 26'' 21 gears alloy frame and aluminum rim mountain bicycle