Ensure comfortable riding everywhere
With the Threo inner tubes, any road will feel smoother. Your bike's performance will skyrocket, making each journey enjoyable. They offer superior puncture resistance, saving you time and money.
Shock absorption
You can safely cycle even on rough terrains. These tubes significantly reduce the impact of bumps on the road, creating cushioning effect. They also protect your bike's tyres and rims from possible damage.


High quality
Our tubes are made with premium materials that guarantee durability. They will surely stand the test of time, serving you for many years.
Air retention
The Threo tubes will keep your tyres inflated for an extended time. They eliminate the need for frequent pumping, adding convenience to your trips.

Size guide

- HOW TO MEASURE THE CORRECT TUBE SIZE:
- Measure the diameter and width of your tire or check the numbers marked on its size.
Tube Size | Tire Diameter | Tire Width | ||
---|---|---|---|---|
cm | inch | cm | inch | |
20x1.25 | 51 | 20 | 3.2-3.8 | 1.25-1.5 |
20x1.5 | 51 | 20 | 3.8-4.5 | 1.5-1.75 |
20x1.75 | 51 | 20 | 4.5-5.4 | 1.75-2.125 |
26x1.5 | 66 | 26 | 3.8-4.5 | 1.5-1.75 |
26x1.9 | 66 | 26 | 4.8-5.8 | 1.9-2.3 |
27.5x1.5 | 70 | 27.5 | 3.8-4.5 | 1.5-1.75 |
27.5x1.9 | 70 | 27.5 | 4.8-5.8 | 1.9-2.3 |
29x1.9 | 74 | 29 | 4.8-5.8 | 1.9-2.3 |
700x23 | 74 | 29 | 2.3-2.5 | 0.9-0.98 |
700x28 | 74 | 29 | 2.8-3.2 | 1.1-1.25 |
700x35 | 74 | 29 | 3.5-4.3 | 1.38-1.69 |

- Determine the suitable valve type by checking the size of the rim hole. The length of the valve should be 0.8’’ (2 cm) longer than the thickness of the rim.

- Select the appropriate valve type and valve height according to the size chart below.
Tube Size | Valve Size | Valve Type |
---|---|---|
20x1.25 | 48 | F/V |
60 | F/V | |
20x1.5 | 32 | A/V |
36 | F/V | |
20x1.75 | 48 | A/V |
26x1.5 | 32 | A/V |
36 | F/V | |
48 | F/V, A/V | |
26x1.9 | 32 | A/V |
36 | F/V | |
48 | A/V | |
27.5x1.5 | 32 | A/V |
27.5x1.9 | 32 | A/V |
36 | F/V | |
48 | F/V, A/V | |
29x1.9 | 32 | A/V |
36 | F/V | |
48 | F/V, A/V | |
700x23 | 48 | F/V |
60 | F/V | |
80 | F/V | |
700x28 | 48 | F/V, A/V |
700x35 | 48 | F/V |
Sam J.
My bike rides have changed ever since I started using these. The shock absorption is top-notch, and they hold air impressively well. Super happy with the switch.
Alice M.
The tubes transformed my cycling experience. Riding on rocky paths is now much smoother, and I no longer worry about punctures. They retain air efficiently, so fewer stops for pumping. Highly recommended for avid cyclists!
John D.
Great tubes, improved my rides significantly.
Steve
A major upgrade for my bike! The durability and reliability of these tubes have impressed me since the first ride. They keep the air pressure consistent, making my long rides more enjoyable and worry-free.
Anna
Reliable and efficient choice.
John
These tubes perform exceptionally well on rough terrains. They’re incredibly durable and fit perfectly without any struggle. I’ve been using them during my mountain biking adventures, and I’ve never had an issue. Highly recommended!
Emily
Excellent quality and easy to install. They hold the air very well, and I’ve noticed a significant improvement in my ride since switching to these. As someone who bikes daily, I couldn’t be happier!
Kate
The best inner tubes I’ve used so far. They provide smooth rides, and the construction seems robust. A definite must-try if you are tired of frequent punctures. Will be purchasing again.
Mike
Good tubes, but a bit tricky to install. Once on, they perform well and withstand rough trails without punctures.
John
Great quality and fits perfectly.