An in-line skate having a plurality of aligned wheels which are secured and supported on the bottom of an in-line skate boot by a pair of axle supports. The axle supports extend longitudinally of the skate boot. One of the axle supports is secured directly to the skate boot. The other axle support is secured to and slides with respect to the other axle support. The wheels, each carried by an axle, are positioned within the inner axle support and are secured to the axle supports by axles that pass through aligned slots in the two supports. The slots in the axle supports are arranged to cause vertical movement of at least one, and preferably two, of the wheels when one axle support is moved relative to the other.