Perfect for the fitness enthusiast new to inline skating! The F.I.T. 80 Pro features 80mm wheels and the F.B.I. Frame that absorbs road vibration for the smooth rolling ride your skates need. Combine that with an ideal amount of support provided by a Stability Plus Cuff and the unmatched comfort of the original K2 Softboot® and you have the best entry-level fitness inline skate ever designed. SKATE CATEGORY: Fitness. SKATE WHEEL SIZE: 80 mm. SKATE FRAME: FBI Frame. SKATE CUFF: Stability Plus Cuff. SKATE BEARINGS: ABEC 5. SKATE LACING: Speed Lacing System.