What are the dimensions of the inner tube?

The inner tube measures twenty inches by four inches to four and a half inches.

What type of valve does this inner tube use?

This inner tube is equipped with a Schrader valve.

What material is the inner tube made of?

The inner tube is made from heavy-duty butyl rubber, which enhances durability and puncture resistance.

Is this inner tube compatible with all fat bike sizes?

No, it is specifically designed for twenty-inch fat bikes with tire sizes ranging from four to four and a half inches.

How does the self-sealing feature work?

The self-sealing feature automatically repairs small holes and cracks using a puncture repair fluid that circulates within the tube.

Can I install this inner tube myself?

Yes, the inner tube is designed for easy installation and removal, making it suitable for DIY installation.

What is the maximum temperature range for this inner tube?

The inner tube can function effectively in temperatures as low as minus fifteen degrees Celsius.

How do I maintain the inner tube's air pressure?

The inner tube maintains high air pressure for six to nine months, reducing the need for frequent inflation.

How should I store the inner tube when not in use?

Store the inner tube in a cool, dry place away from direct sunlight to maintain its integrity.

Is this inner tube suitable for electric bikes?

Yes, this inner tube is compatible with various electric bike models, accommodating heavier loads.

How does this inner tube compare to standard tubes?

This inner tube offers higher puncture resistance and durability compared to standard inner tubes, thanks to its thicker design.

Is there a warranty on this inner tube?

Yes, it comes with a warranty that covers manufacturing defects.

What should I do if the inner tube arrives damaged?

If the inner tube arrives damaged, contact customer support for assistance with returns or exchanges.

Can this inner tube handle rough terrain?

Yes, the heavy-duty construction and excellent shock absorption capabilities make it ideal for rough terrains.

Is this inner tube safe for long-distance rides?

Yes, the inner tube is designed for extended use and can support longer rides without frequent maintenance.

How can I ensure the inner tube is installed correctly?

Make sure to check the valve position and follow installation instructions to ensure proper installation.

2-Pcs 20'' X 4.0/4.50'' Self Sealing Fat Tire Tubes Av Schrader Vavle Super Automatic Repair, Self-Sealing, Puncture Resistant C

$38.45 USD

$38.45 USD $38.45 USD

2-Pcs 20'' X 4.0/4.50'' Self Sealing Fat Tire Tubes Av Schrader Vavle Super Automatic Repair, Self-Sealing, Puncture Resistant C

$38.45 USD

$38.45 USD $38.45 USD

SKU: WBSPTB08MQ4P879

UPC: 750139075393

Brand: Yunscm

Availability: In Stock

Sold by Onlinesportsmall, an authorized reseller.

Returns accepted within 15 days | support@onlinesportsmall.com

Verified

Shipping Information

Free Standard Shipping — United States only
Processing Time: 1–3 business days
Estimated Delivery: 3–5 business days after dispatch
Double-boxed, fully insured & discreetly packaged
Tracking number sent via email once dispatched
Orders over $250 require signature upon delivery. Taxes calculated at checkout.

Returns & Refund

Returns accepted within 15 days of delivery.

Damaged or Defective Item

Free return shipping + replacement or full refund

Wrong Item Received

Free return shipping + replacement or full refund

Change of Mind

Return shipping at customer's expense · 25% restocking fee applies

All returns require a Return Authorization (RA) number before sending.

To initiate a return, contact us:

support@onlinesportsmall.com +1 (832) 344-5453

View Full Return & Refund Policy

Description

Still searching for the most durable bike inner tube? Stop looking up now and try ours. It will exceed your expectation!Features:Made To Last: The bicycle mtb inner tube is made with steady and durable butyl rubber.The self-repairing inner tube is a thicker design, which is more durable than the normal inner tower.The bicycle inner tube rolls through the tire repair liquid to automatically fill the punctured area.After testing, the leak can be repaired within 5~8 seconds under normal conditions.It shows amazing sealing performance, ozone resistant, anti-aging and electrical insulation merits.Size Available: The bike tube 20 4''''. It fits tire width 4.0-4.5.Comfort is the first: The replacement tires ensure better shock absorption for upgrade riding experience. Your safety and comfort is our top concern.???Please note?Please note:1. Because our inner tube is fluid, in order to prevent the Self Sealing liquid from flowing out during the installation process, please do not concentrate the center of gravity or the liquid near the air nozzle when the bicycle inner tube is inflated, which will cause liquid Squirting.2. General Self Sealing fluids will freeze at relatively low temperatures, which is not conducive to use in winter. Our Self Sealing fluid is not easy to freeze, and can be used normally at a temperature and not lower than minus 15 degrees, which is more applicable to the environment3. The Self Sealing fluid is only for repairing some small air leaks, and the effect of repairing large gaps or long gaps is not ideal

Frequently Asked Questions

Q: What are the dimensions of the inner tube? A: The inner tube measures twenty inches by four inches to four and a half inches.
Q: What type of valve does this inner tube use? A: This inner tube is equipped with a Schrader valve.
Q: What material is the inner tube made of? A: The inner tube is made from heavy-duty butyl rubber, which enhances durability and puncture resistance.
Q: Is this inner tube compatible with all fat bike sizes? A: No, it is specifically designed for twenty-inch fat bikes with tire sizes ranging from four to four and a half inches.
Q: How does the self-sealing feature work? A: The self-sealing feature automatically repairs small holes and cracks using a puncture repair fluid that circulates within the tube.
Q: Can I install this inner tube myself? A: Yes, the inner tube is designed for easy installation and removal, making it suitable for DIY installation.
Q: What is the maximum temperature range for this inner tube? A: The inner tube can function effectively in temperatures as low as minus fifteen degrees Celsius.
Q: How do I maintain the inner tube's air pressure? A: The inner tube maintains high air pressure for six to nine months, reducing the need for frequent inflation.
Q: How should I store the inner tube when not in use? A: Store the inner tube in a cool, dry place away from direct sunlight to maintain its integrity.
Q: Is this inner tube suitable for electric bikes? A: Yes, this inner tube is compatible with various electric bike models, accommodating heavier loads.
Q: How does this inner tube compare to standard tubes? A: This inner tube offers higher puncture resistance and durability compared to standard inner tubes, thanks to its thicker design.
Q: Is there a warranty on this inner tube? A: Yes, it comes with a warranty that covers manufacturing defects.
Q: What should I do if the inner tube arrives damaged? A: If the inner tube arrives damaged, contact customer support for assistance with returns or exchanges.
Q: Can this inner tube handle rough terrain? A: Yes, the heavy-duty construction and excellent shock absorption capabilities make it ideal for rough terrains.
Q: Is this inner tube safe for long-distance rides? A: Yes, the inner tube is designed for extended use and can support longer rides without frequent maintenance.
Q: How can I ensure the inner tube is installed correctly? A: Make sure to check the valve position and follow installation instructions to ensure proper installation.