The Major MK3’s 38mm internal width offers maximum stability, traction, and control for even the largest Plus tires. The Major MK3’s 38mm internal width offers maximum stability, traction, and control for even the largest Plus tires. Bead Socket Technology (BST) rims feature a profile that is designed to create a more secure air tight seal at the bead WideRight optimized for tires 3.00"-3.50" wide Built in the USA on NoTubes Neo hub with Sapim Force spokes and Secure Lock Nipples Durasync 6-pawl freehub body features 36 points of contact and 10 degrees of engagement