Product highlights: high-quality materials, excellent performance

Our natural rubber bicycle mountain bike inner tube is made of 100 natural rubber material. This material has excellent elasticity and toughness, which can effectively absorb road vibration and reduce riding fatigue. In addition, the inner tube surface is specially treated to improve the puncture resistance and reduce the risk of puncture.

Specifications: Suitable for various models

This inner tube is suitable for many types of bicycles, including mountain bikes, road bikes and city bikes. We provide a variety of sizes for you to choose from to ensure a perfect match with your bicycle tires. Detailed specifications are as follows:

• Size: 26 inches, 27.5 inches, 29 inches
• Model: MTB (mountain bike), CITY (city car)
• Inner diameter: 18mm - 25mm
• Maximum air pressure: 6 bar (87 psi)

Installation guide: easy replacement, saving time and effort

Installing this inner tube is very simple. We provide you with a step-by-step installation guide to ensure that you can complete the replacement in a few minutes. Here are the main steps:

1. Preparation tool : Prepare the tire spudger and pump.
2. Remove the old inner tube : Use the tire crowbar to take the tire out of the rim, and then pull out the old inner tube.
3. Check the tires : Carefully check whether there are foreign objects or sharp objects inside the tires to ensure that there is no damage.
4. Install a new inner tube : Put the new inner tube into the tire, making sure that the valve is aligned with the rim hole.
5. Reinstall the tire : Reinstall the tire on the rim, making sure that the inner tube is not clamped.
6. Inflate : Use a pump to inflate the inner tube to the recommend pressure value.

Maintenance: Extended service life

Correct maintenance can significantly extend the life of the inner tube. Here are some simple maintenance recommendations:

• **Check the air pressure regularly**: Check the tire pressure before each ride to make sure the air pressure is within the recommend range.
• **Avoid prolonged exposure**: Do not leave the bicycle in the sun for a long time to avoid rubber aging.
• **Clean the tires in time**: After riding, clean up the sand and debris on the tires in time to prevent foreign objects from entering the inner tube.
• **Check the tire condition regularly**: Check the tires regularly for wear or damage, if necessary, please replace them in time.

Application scenario: multi-purpose, adaptable

Whether commuting on the streets of the city or exploring the trails in the mountains, this natural rubber bicycle mountain bike inner tube can do it. It is not only suitable for daily riding, but also for long-distance travel and off-road competitions. Its excellent stability and comfort make every ride more enjoyable.

User evaluation: authentic feedback, trustworthy

Customer satisfaction is our greatest motivation. We will share some customer experience and feedback to help you more fully understand the advantages and characteristics of this inner tube. Many users said that this inner tube not only has excellent performance, but also is easy to install, which greatly improves their riding experience.

"since I changed this inner tube, I have never encountered the problem of flat tire again. I am very comfortable to ride." -Mr. Zhang

"This inner tube is of good quality, flexible, and very comfortable to ride." -- Miss Li

FAQ: Solving Your Doubt

For some common problems that users may encounter, we will provide detailed answers to help you quickly solve the problem and ensure a smooth use process.

Q: Is this inner tube suitable for winter use?