12- to 24-Inch

Schwalbe's Marathon Plus is legendary for durability and protection. Their nearly impenetrable 5mm-thick SmartGuard layer almost eliminates flats over the course of the tire's excellent, long life. Whether you're setting out on a cross-country bike tour, cruising on a tandem, or just want peace of mind during your daily commute, the Marathon Supreme is in it for the long haul.

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

The Kenda Alfabite is a great all-around budget mountain/BMX tire, available in a steel bead. - Kenda endorses the use of fluid based sealants only in specifically designated Kenda sealant compatible tires

Front and rear BMX race tires designed to balance traction and low rolling resistance with a block-designed center tread. - UTC rubber compound - Patterned sidewall adds abrasion protection while maintaining casing suppleness - ISO diameter: 406mm

• Park/street tire, with directionally grooved tacky tread • Wire bead • Size: 18 x 2.0

Basic tires can still offer a great ride. Giant's Comp III tires feature knobby tread for off-road action and a durable rubber compound.

• Recreational tire with horizontal grooves for traction • Size: 24 x 1 1/4 • ISO 547