NEW GC Frame Concept by Shima and Elliot NEW Overized H-Block extends over 80% of the frame Replaceable H-Block - option for flat or freestyle Unmatched Stiffness, Strength, and Durability NEW GC Sickle 8MM Axles - one allen key necessary Recommended frame sizing: Size 1 = 6-8 (length = 11 in.) Size 2 = 8-11 (length = 11 1/2 in.) Size 3 = 12-14 (length = 12 in.) Frames sold in pairs NOTE: Any frame size will fit any skate size. Frame length is a personal preference. Longer frames are more stable and better for gaps. Shorter frames are better for turns and quick maneuvering.