K2 Skate Men's Kinetic 78 Inline Skates Original K2 Softboot The Stability Plus is the perfect blend of support, eliminating overall skate weight and offering versatility for a wide range of skaters Interlocking the frame and base creates a composite recreational frame that absorbs more road vibration then any other K2 frame Wheels/Bearings: 78mm, 80a/ABEC For a custom fit, traditional lacing allows you to manipulate the laces and tension to hold the heel, mid-foot, or any spot you want a snug fit