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.
View all Tannus Bike Tire Inserts
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Features
- 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
Imported.
| 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. |
Technical Specs
| Best Use | Cycling |
|---|---|
| Tire System | Tubed |
| 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 3.0-4.0 IN: 3.0-4.0 inches 20 IN x 4.0-4.8 IN: 4.0-4.8 inches |
| Weight | 20 IN x 1.75-1.95 IN: 190 grams 20 IN x 3.0-4.0 IN: 230 grams 20 IN x 4.0-4.8 IN: 230 grams |
| Material(s) | Foam |
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