A bicycle butyl tube is a crucial component of the inner tire system in bicycles. It serves as the inflatable structure that holds air, enabling the tire to maintain its shape and provide the necessary cushioning for a smooth ride. Butyl rubber, the material from which these tubes are made, is highly regarded for its durability and resistance to punctures. Unlike older materials such as natural rubber, butyl rubber offers superior air retention properties, reducing the frequency of tire inflation and ensuring a consistent riding experience.
ONTRACK butyl bicycle tubes are available in various sizes to fit different tire dimensions, catering to a wide range of bicycles, from road bikes to mountain bikes.
STANDARD TUBE
* Optimal air retention performance, anti-freezing, heat-resisting
* All butyl rubber made, excellent tensile elongation performance
* 0.90MM thickness
* 0.90mm in thickness
* Lightweight and durable racing tubes
| SIZE | ETRTO | SIZE | ETRTO | SIZE | ETRTO |
| 12 1/2x1.75/2 1/4 | 50/54-203 | 26x1 1/2x1 5/8 | 40/44-559/571 | 29x2.10/2.25 | 52/57-622/630 |
| 12 1/2x2 1/4 | 57-203 | 26x1 3/8 | 37-590 | 29x2.25/2.50 | 57/62-622/630 |
| 14x1.50/1.75 | 40/47-254 | 26x1.0/1.25 | 23/32-559 | 29x3.0/3.5 | 76/90-622/630 |
| 14x1.95/2.125 | 50/54-254 | 26x1.25/1.50 | 32/40-559 | 700x18/23C | 18/23-622/630 |
| 14x2.125 | 54-254 | 26x1.50/1.75 | 40/47-559 | 700x25/32C | 25/32-622/630 |
| 16x1.50/1.75 | 40/47-305 | 26x1.95/2.125 | 50/54-559 | 700x33/37C | 33/37-622/630 |
| 16x1.95/2.125 | 50/54-305 | 26x2.125 | 54-559 | 700x38/45C | 38/45-622/630 |
| 16x2.125 | 54-305 | 26x2.30/2.50 | 57/62-559 | 22x1 | 25-470 |
| 18x1.50/1.75 | 40/47-355 | 26x3.0 | 76-559 | 22x1 3/8 | 37-501 |
| 18x1.95/2.125 | 50/54-355 | 26x4.0/4.9 | 100/120-559 | 22x1.50/1.75 | 40/47-457 |
| 20x1 | 23-451 23-420 | 27.5x1.25/1.50 | 32/40-584 | 22x1.75/2.10 | 47/52-457 |
| 20x1 1/8 | 28-451 | 27.5x1.75/2.10 | 47/52-584 | 24x1 | 25-540 |
| 20x1 3/8 | 37-451 | 27.5x2.10/2.25 | 52/57-584 | 24x1 3/8 | 37-540 |
| 20x1.0/1.25 | 25/32-406 | 27.5x2.5/3.0 | 62/76-584 | 24x1.0/1.25 | 23/32-520 |
| 20x1.25/1.50 | 32/40-406 | 27.5x3.0/3.5 | 76/90-584 | 24x1.25/1.50 | 32/40-507 |
| 20x1.50/1.75 | 40/47-406 | 27x1 | 25-630 | 24x1.50/1.75 | 40/47-507 |
| 20x1.95/2.125 | 50/54-406 | 27x1 1/4 | 32-630 | 24x1.95/2.125 | 50/54-507 |
| 20x2.125 | 54-406 | 27x1 3/8 | 37-630 | 24x2.125 | 54-507 |
| 20x2.30/2.50 | 57/62-406 | 28x1 1/2 | 40-635 | 24x2.30/2.50 | 57/62-507 |
| 20x3.0 | 76-406 | 28x1.75 | 47-622 | 24x3.0 | 76-507 |
| 20x4 1/4 | 108-451 | 29x1.25/1.50 | 32/40-622/630 | 24x4.0/4.9 | 100/120-507 |
| 20x4.0/4.90 | 100/120-406 | 29x1.75/2.10 | 47/52-622/630 |
Applications
1. Recreational Cycling: Whether it's leisurely rides in the park or longer recreational outings, butyl tubes provide the necessary air retention and puncture resistance for a smooth and enjoyable cycling experience.
2. Commuting: For daily commuters who rely on bicycles as a mode of transportation, butyl tubes offer peace of mind by reducing the likelihood of flat tires during city commuting or urban travel.
3. Road Racing: In competitive road racing, where every second counts, butyl tubes contribute to the overall performance of the bike by providing consistent tire pressure and minimizing the risk of sudden flats that could derail a race.
4. Mountain Biking: In the rugged terrain of mountain biking, where sharp rocks, roots, and debris pose a constant threat to tire integrity, butyl tubes offer the necessary puncture protection and resilience to withstand challenging off-road conditions.
5. Touring and Bikepacking: For cyclists embarking on long-distance tours or bikepacking adventures, reliability is paramount. Butyl tubes ensure that cyclists can focus on their journey without worrying about frequent tire maintenance or unexpected flats.
6. Cyclocross: In the demanding sport of cyclocross, which involves traversing a variety of terrain including grass, mud, sand, and pavement, butyl tubes provide the durability and versatility required to tackle the diverse challenges of the course.
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