The F.I.T. Pro 84 features 84mm wheels all the way across on a D.C. Aluminum frame. This design delivers excellent power transfer and stability at speed. The K2 Speed Lacing System, combined with the K2 Original Softboot®, creates a slipper-like fit that every inline skater needs.So stop into either Alpine location and get yourself a pair of new blades today! Your feet will thank you.