Stan's Flow D is a value-driven All-Mountain rim designed to handle anything you can throw at it Stan's Bead Socket Technology (BST) for the most reliable tire retention and easiest tubeless set up Optimal WideRight tire sizing 2.35"2.8 Super durable, allpurpose thru-axle disc front and rear hubs CNC 6061 aluminum body with 7075 aluminum axle 2 sealed cartridge bearings in front, 3 in the rear plus a radial needle bearing International Standard 6bolt disc rotor mount Built with DT Swiss Champion straight gauge spokes (2.0) and brass DT Swiss Squorx nipples Hand laced and trued in the USA