12- to 24-Inch

Primo tires designed for wheelchairs. - Gray tires for wheelchair - ISO diameter = 540mm

The Primo Comet Recumbent is a fast-rolling, high-pressure tire.

- Entry-level BMX-style tire with sturdy casing for longevity - Wire bead - Size: 18 x 2.125

- Smooth rolling center and micro tread shoulders - Directional water evacuating lines keep you upright - ISO: 507 - Bead: Wire - Weight: 771g

The S-5 Black Steel Tire in K62 Tread is a great tire for any road bike. - K62 tread pattern - Made from quality Kenda rubber - ETRTO: 37-547 - Wire bead