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Made of superior formulation Hyper-Flex™ polyurethane and uses high precision bearings. Experience little or no rolling resistance! The unique polyurethane material and design allows smooth, unimpeded rolling for indoor/outdoor ease of movement over cracks, washers, misc. debris, etc
- Made Of Superior Hyper-Flex Material
- Uses high precision bearings
- Prevents Spring Bottoming
- Great For Competition Use