36 hole and CNC'd from 7075 aluminum, the shells have a smaller non drive side flange for better flange protection and come with a 9T driver. The one piece chromoly driver uses two polymer bushings, instead of a set of small bearings, for longer life. The 14mm chromoly axle is hollow and has a 8mm hex broach and color matched 7075 aluminum axle nuts. RHD only. Weight - 15.3 oz