For Sale: A lightly used set of Ringle Super Bubba X hubs. The hubs come with both the SRAM XD driver body and the Shimano Micro Spline driver body. Hubs are both 28 hole and designed for centerlock discs. They are boost spacing (110mm front and 148mm rear). Front is designed for 15mm thru-axle and the rear is designed for 12mm thru-axle.  Hub shell bearing and freehub bearings are like new.