Tube Defender is made of high dense, closed cell Polyurethane foam providing a protective layer between the bicycle tire and the inner tube and protects against inner tube pinch flats.

One Length!
Cut to fit wheel sizes : 20″ | 24″ | 26″ | 27.5″ | 29″

Features & Benefits

• Easy to Install
• Designed for bicycles using inner tubes
• Provides a protective barrier between inner tube and tire tread – tire sidewall
• Provides up to 14mm protection in tread area
• Provides up to 4mm protection in sidewall area
• Minimizes inner tube pinch flats
• Smoothens out rough terrain
• Increases traction
• May require narrower inner tube to compensate for reduce tire volume – not included with purchase

Tube Defender & Inner Tube Fitment Guide

• 2.00/2.30 Tube Defender: Fits tire width 1.90 to 2.30. Recommended to use 1.90 to 2.20 inner tube width
• 2.40/2.80 Tube Defender: Fits tire width 2.40 to 2.80. Recommended to use 2.20 to 2.40 inner tube width

Tube Defender Tire Pressure Guide
PSI recommendations are based on Tube Defender ongoing testing to determine the best overall performance and life cycle.

Rider Weight:

• Under 150 lbs @ 20-25 psi
• 150 to 180 lbs @ 25-30 psi
• 180 to 220 lbs @ 30-35psi
• Over 220 lbs @ 40-45psi