Blackburn outpost fat bike rack specifically designed to solve fitment issues with fat bikes but also works great on almost any bike adjustable width height allows for easy installation on any fat bike also fits most mountain and road bikes able to install on front or rear strap and tie down attachment points fits 26 x 1 up to 29 x 40 tires lower mounting on frame braze ons or through axle quick release included upper mounting to frame braze ons brake boss or seat stay clamps included