Ultra Heavy Duty Tube 21" - 3.00

Bridgestone Ultra Heavy Duty Tubes are by far your best option for minimal tube issues on any terrain. Run lower pressures with less risk of a pinch flat. Don't be 'That Guy' on the trail, get these and be done with it. 

• Constructed of ultra-heavy duty 4 millimeter thick natural rubber for superior protection against flats.
• Recommended for the high demands of Enduro, desert, and cross country riding or racing.
• Super thick for serious off-road competition, 4mm thick