Flat Tire Defender Foam Tire Inserts Kit 27.5" & 29" 

The Flat Tire Defender Foam Tire Insert Kit allows lower tire pressure for increased traction while riding. The insert kit is lightweight high quality foam, while also providing protection for your rim.

Features:

• Allows lower tire pressure for increased traction
• Light weight to minimize rolling resistance and un-sprung weight
• Helps protect your rim
• High-quality foam rubber construction
• Super glue is provided to assist in adhering the two ends together
• Kit contains foam insert and No Clog 40 mm valve stem(s)
• Fits inner rim width 35mm to 42mm
• Recommended tire width 2.30/2.80
• Sold as pair