The Ultrex interchangable rings are the first of it's kind in scootering to give riders the option to interchange their urethane when need be. The wedge shaped ring is designed for the 2 hub halves to tighten together concentricity to allow quick disassemble with a 4mm allen key.
- 110mm Diameter
- Gummy - 88A Duro
- Anodized ring for easy installation and replacement
- Weight: 130g
- Sold as a single wheel ring