This is a three-position training wheel system, with tool-less installation and removal, so you're always the hero without so much as a screwdriver. Reinforcing this, the tubular steel arms are built to take a beating, while the foam tires will never go flat.
- Closed-cell foam tires.
- Tubular steel arms.
- Compatible with 2013 and newer models of the Hotrock or Riprock 20-inch Coaster models.