Product Description
Go flat-free on a compatible 20 x 2.125" pneumatic tire setup with this solid polyurethane foam insert, designed to take the place of an air-filled inner tube inside the tire.
The solid insert does not rely on air pressure, so it will not go flat during use.
The insert can be reused when the tire is removed carefully, although installation can require extra effort.
✅ Compatibility
- Fits compatible 20 x 2.125" air-pneumatic tires
- Requires a compatible tire; the insert is not a standalone tire
Features
- Flat-free solid polyurethane foam insert
- Does not require air pressure
- Can be reused when the tire is removed carefully
Specifications
- Insert Size: 20 x 2.125"
- Type: Solid polyurethane foam insert
- Quantity: Sold Individually
California Proposition 65 Warning
⚠️WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
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