Bike Tire Liner Inner Tube Flat Protector For Mountain Bikes Fits 12 16 18 20 22 Inch Tires 3.0 To 4.5 In 1 Mm Polyurethane 6.1 Ft Long Black And Green No Fuss Install Just Measure And Trim

Premium Mountain Bike Tire Liner for 12-22in Wheels, 1mm PU
✔️ Pack of 2 liners included for two MTB tires, easy trim fit

This tire liner is a puncture protection accessory for mountain bikes. It installs inside the tire to shield inner tubes from thorny debris on MTB rides, fitting 12-22 inch tires.

✅ Fits 12-22 in MTB tires; liner width 3.74 in (95 mm), length 6.1 ft (1880 mm), thickness 1 mm (0.039 in)
✅ Made from polyurethane for lightweight, wear resistant protection
✅ Easy to install by measuring and trimming to fit
✅ Comes as a pair for two tires, color Black and Green

💡 What is a bike tire liner and how does it protect MTB tires? A handy explanation:
- Improves puncture resistance by shielding the inner tube from sharp trail debris
- Works with 12-22 inch MTB tires and trim-to-fit installation
- Lightweight polyurethane construction helps keep rolling resistance low
- Extends tire life by reducing flats on rugged trails