Labeda - Yellow Medium Gripper roller hockey wheels / wheels (set of 4 wheels)Labeda Medium Gripper roller hockey wheels wheels (set of 4 wheels) (Set of 4 wheels) The name that began a legacy , bringing flex technology to the forefront of roller hockey changing the way the game was played and future wheel development. Its smaller core design allows the outer urethane mass to flex, maximizing grip with its larger footprint. Color: Yellow Sizes: 80, 76, 72 Hardness: Medium