Made of superior formulation Hyper-Flex(TM) 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
- Great For Competition Use
- Prevents Spring Bottoming

