- 2-ply rubber shield fits between tire and tube to prevent flats - Pair

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling. These tubes fit older Schwinn bicycles with 24-inch wheels. These tubes are for use in tires with an ISO diameter of 540 millimeters.

• Butyl rubber • 32mm-long Presta valve (smooth/removable core) • 26 x 1 (650 x 18-23)

• Butyl rubber • 48mm-long Presta valve (smooth/removable core) • 26 x 1 (650 x 18-23)

• Butyl rubber • 32mm-long Presta valve (smooth/removable core) • 29 x 2.1 (700 x 50-52)

• Butyl rubber • 32mm-long Presta valve (smooth/removable core) • 700 x 35-40 (27 x 1 3/8)

• Butyl rubber • 48mm-long Presta valve (removable core) • 700 x 35-40 (27 x 1 3/8)

• Butyl rubber • 60mm-long Presta valve (smooth/removable core) • 26 x 1 (650 x 18-23)

• Butyl rubber • 60mm-long Presta valve (smooth/removable core) • 700 x 25-30 (27 x 1-1 1/8)

• Butyl rubber • 32mm-long Presta valve (smooth/removable core) • 20 x 1 (451 x 19)

• Butyl rubber • 32mm-long Presta valve (smooth/removable core) • 20 x 1 1/8 (451 x 25)

• Butyl rubber • 32mm-long Presta valve (smooth/removable core) • 20 x 1 3/8 (451 x 32)

• Butyl rubber • 32mm-long Presta valve (smooth/removable core) • 20 x 1.25-1.5 (406 x 37-45)

• Butyl rubber • 32mm-long Presta valve (smooth/removable core) • 20 x 1.35-1.5 (406 x 37-45)

• Butyl rubber • 32mm-long Presta valve (smooth/removable core) • 24 x 1 (520 x 19-23)

• Butyl rubber • 32mm-long Presta valve (smooth/removable core) • 26 x 1-1.25

- Butyl rubber - 32mm-long Presta valve (Threaded/removable core) - 26 x 1.5-1.95

• Butyl rubber • 32mm-long Schrader valve • 27.5 x 2.1-2.35 (650B)

• Butyl rubber • Schrader valve • 8 x 1 1/4 • Wheelchair-compatible

• Butyl rubber • Schrader valve • 14 x 1.75

• Butyl rubber • Schrader valve • 18 x 1.75

• Butyl rubber • Schrader valve • 20 x 1.35-1.5 (406 x 37)

• Butyl rubber • Schrader valve • 20 x 2.75-3

• Butyl rubber • Schrader valve • 22 x 1.75

• Butyl rubber • Schrader valve • 24 x 1 3/8

• Butyl rubber • Schrader valve • 24 x 1.5-1.95

• Butyl rubber • Schrader valve • 26 x 1 3/8

• Butyl rubber • Schrader valve • 26 x 1-1.25

• Butyl rubber • 48mm-long Schrader valve • 26 x 1.9-2.35

• Butyl rubber • Schrader valve • 28 x 1 1/2