K2 Skate Boy's Sk8 Hero Pro Inline Skates Original K2 Softboot Stability Plus cuff is the perfect blend of support where you need it, eliminating 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: 70mm, 80a/ABEC 3 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