Powerslide 3X4 13.2 4x110 Trinity Speed Skate Frames feature four wheels and can accommodate wheel sizes up to 110mm, with an overall wheelbase of 335mm. Built from aluminum, these frames are remarkably stable, offering excellent power transfer. The frames are equipped with the Trinity mounting system, designed to provide optimal control, stability, and diminish vibrations. They are ideal for speed skaters who seek a dependable and high-performing frame for their inline skates.