Tannus Armour Tire Insert - 20 in.

$37.00to $60.00
Color: Red
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From city streets to off-road tours, this Tannus Armour 20 in. single tire insert protects your tube from sharp objects while giving you increased grip and vibration damping for a smoother ride.

Location Image of color RedLocation Image of color Red
Location Image of color Red


  • Eliminates 90% of all punctures by wrapping around your tire tube to provide 15 mm of puncture protection on top and 2 mm of sidewall protection
  • Absorbs vibrations for a smoother, more comfortable ride
  • Engineered to minimize rolling resistance, balancing speed and protection
  • Can run at lower pressures for increased grip in wet conditions and loose rock
  • If you get a flat, the insert allows you to ride a few more miles on gentle terrain without hurting your rim; does not apply to 20 x 3.0–4.0 in. or 20 x 4.1–4.8 in. sizes
  • Designed for 20 in. tires; requires the use of a tube with a smaller width than your tire (tube not included)
  • Minimum inner rim width needed: 19 mm
  • Easy to install
  • Sold as a single insert


Insert size Recommended tube size
20 x 1.75-1.95 in. 20 x 1.0-1.5 in.
20 x 1.95-2.5 in. 20 x 1.5-1.95 in.
20 x 3.0-4.0 in. 20 x 2.5-3.0 in.
20 x 4.0-4.8 in. 20 x 3.25-3.75 in.
View all Tannus Bike Tire Inserts

Technical Specs

Best Use


Tire System


Wheel Size

20 inches

Internal Rim Width Range

Minimum: 19 millimeters

Tire Width Range

20 IN x 1.75-1.95 IN: 1.75-1.95 inches

20 IN x 1.95-2.5 IN: 1.95-2.5 inches

20 IN x 3.0-4.0 IN: 3.0-4.0 inches

20 IN x 4.0-4.8 IN: 4.0-4.8 inches


20 IN x 1.75-1.95 IN: 190 grams

20 IN x 1.95-2.5 IN: 220 grams

20 IN x 3.0-4.0 IN: 230 grams

20 IN x 4.0-4.8 IN: 230 grams



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