YunSCM
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2-PCS 20 Heavy Duty Bike Tubes 20x2.10/2.125/2.25/2.30/2.35/2.40 Premium Butyl 20 Bicycle Inner Tubes Compatible with 20 x 2.10-2.40 Kids, BMX, City, Mountain Bike Tire Tubes Schrader Valve
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2-PCS 20 Heavy Duty Bike Tubes 20x2.10/2.125/2.25/2.30/2.35/2.40 Premium Butyl 20 Bicycle Inner Tubes Compatible with 20 x 2.10-2.40 Kids, BMX, City, Mountain Bike Tire Tubes Schrader Valve
Made from premium butyl rubber for good sealing performance, ozone & aging resistance, shock absorption & electrical insulation.
2-PCS 20" Heavy Duty Bike Tubes 20x2.10/2.125/2.25/2.30/2.35/2.40 Premium Butyl 20" Bicycle Inner Tubes Compatible with 20 x 2.10-2.40 Kids, BMX, City, Mountain Bike Tire Tubes Schrader Valve
Item #: 35737950

2-PCS 20" Heavy Duty Bike Tubes 20x2.10/2.125/2.25/2.30/2.35/2.40 Premium Butyl 20" Bicycle Inner Tubes Compatible with 20 x 2.10-2.40 Kids, BMX,

Item #: 35737950

XCD 68

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*All items will import from US

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Made from premium butyl rubber for good sealing performance, ozone & aging resistance, shock absorption & electrical insulation.
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What Stands Out

Durable Construction
Made from robust materials, these heavy-duty tubes resist punctures and wear, ensuring long-lasting performance and reliability for your biking adventures.
Versatile Compatibility
These tubes accommodate a wide range of tire sizes from 2.10 to 2.40, providing an ideal solution for various 20-inch bicycles, ensuring seamless performance across different models.
Easy Installation
Designed for quick and hassle-free setup, these Schrader valve tubes simplify the replacement process, making it convenient for all cyclists to maintain their bikes efficiently.

Product Details

Discover a wide range of 2 Pack 20 Bike Tubes compatible with 20x2.125, 20x2.20, 20x2.25, and more. Find high-quality Schrader Valve Bike Tire Tubes at Ubuy Saint Lucia.
  • 2 Pcs 20 Bike Tubes with Schrader Valve
  • Size: AV32mm (Regular valve), fits 20 x 2.125-2.40 wheel and tire width
  • High quality butyl rubber construction for good sealing, ozone resistance, aging resistance, shock absorption, and electrical insulation
  • Easy installation, follow inflation guide for proper use
  • Comfortable and safe riding experience with improved impact absorption
  • 100% product quality guarantee, contact us within 180 days for any issues
Brand NameYunSCM
UPC750139075621
ManufacturerYunSCM330124
Model NumberYunSCM330124
Manufacturer Part NumberYunSCM330124
Included Components2 pcs 20x2.10/2.40 AV32mm Schrader Valve heavy duty bike tubes.
Valve TypeSchrader
Wheel Size20 Inches (50.8 cm)
Compatible Tire Width Minimum2.1 Inches (5.3 cm)
Compatible Tire Width Maximum2.4 Inches (6.1 cm)
Bike TypeCompatible with This Size Range of Bicycle Tires
Item Diameter20 Inches (50.8 cm)
Item Width2.4 Inches (6.1 cm)
Valve Length1.57 Inches (4 cm)
Size20x2.10/2.40
Material TypeButyl Rubber
BrandYunSCM
MaterialButyl Rubber
Item Weight1.5 lbs (680 grams)

Who Should Buy?

Suitable For
  • Frequent Riders

    Ideal for cyclists who ride often and require durable inner tubes for varied terrains.

  • Parents with Kids

    Great for children's bikes where reliability is essential for safety and fun riding experiences.

  • DIY Enthusiasts

    Perfect for individuals who like to perform their own bike repairs and maintenance regularly.

Not Suitable For
  • Racing Enthusiasts

    Not suitable for competitive riders needing lightweight tubes designed specifically for speed.

Product Description

2-PCS 20" Heavy Duty Bike Tubes 20x2.10/2.125/2.25/2.30/2.35/2.40 Premium Butyl 20" Bicycle Inner Tubes Compatible with 20 x 2.10-2.40 Kids, BMX, City, Mountain Bike Tire Tubes Schrader Valve

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What sizes of bike tires are compatible with these inner tubes?

    Answer: These 20 heavy-duty bike tire tubes are compatible with various tire sizes including 20 x 2.10, 20 x 2.125, and 20 x 2.20. It's crucial to match the tube size with your tire size to ensure optimal performance. When choosing a tube, make sure to check your tire's marked dimensions, as this compatibility ensures proper fitment and reduces the chances of flats.
  • Question: Are these inner tubes suitable for mountain bikes or road bikes?

    Answer: Yes, these inner tubes are versatile and can be used for both mountain bikes and road bikes. The robust nature of the heavy-duty construction means they can withstand rough terrains and are ideal for off-road cycling, while their size compatibility also suits urban cycling applications. Whether you are navigating trails or city streets, these tubes provide reliable support for different biking styles.
  • Question: What is the Schrader valve and why is it important?

    Answer: The Schrader valve is a standard type of valve commonly found in various bikes, including mountain and road bikes. It allows for easy inflation and deflation of the inner tubes. Choosing tubes with Schrader valves provides compatibility with most gas station tire inflators and home pumps, making maintenance convenient. This is particularly useful for cyclists who prefer a hassle-free way to ensure their tires are always properly inflated.
  • Question: How can I install the bike tire tube correctly?

    Answer: Installing the bike tire tube involves first removing the existing tire from the rim. Inflate the new tube slightly to give it shape, then place it inside the tire. Ensure the tube is not pinched and carefully fit the tire back onto the rim. Finally, inflate the tube to the recommended pressure. Proper installation helps prevent issues such as pinch flats while ensuring a smooth ride. Always check for any obstructions before placing the tire back on.
  • Question: What makes these tubes heavy-duty compared to standard tubes?

    Answer: Heavy-duty tubes are designed with thicker materials that provide greater durability and resistance to punctures. This added robustness makes them ideal for riders who frequently tackle rough or uneven surfaces. They offer enhanced protection, making them less prone to damage from sharp objects, improving reliability during both casual and extreme rides.
  • Question: Is it necessary to replace both tubes if only one is punctured?

    Answer: Although it's not strictly necessary to replace both tubes when only one is punctured, it's often advisable. If one tube has issues due to wear, the other tube may also be nearing the end of its life, especially if it has been used for the same duration. Replacing both can ensure balanced performance and peace of mind while riding.
  • Question: Can these inner tubes be used for BMX bikes?

    Answer: Yes, these inner tubes are suitable for BMX bikes as long as the tire sizes align with the tube specifications. Many BMX tires fall within the 20-inch category, making these tubes a great fit. Their heavy-duty nature can enhance the performance of BMX bikes, providing added resilience for jumps and tricks on the track.
  • Question: How do I know if my tube is the right size?

    Answer: To determine if your tube is the right size, look at the markings on your existing tire, typically found on the sidewall. It will have the dimensions labeled, such as 20 x 2.10. Ensure that the tube's dimensions match or fall within the specifications of your tire. A correct match will ensure optimal fit and performance while reducing the chances of flats.
  • Question: Can I buy these tubes in bulk quantities?

    Answer: Yes, while this listing includes a pack of 2, it's possible to purchase in larger quantities. Buying in bulk is a practical option for frequent riders, bike shops, or families with multiple bikes. This approach not only saves time but also ensures you are well-prepared for any tire issues that may arise.
  • Question: Where can I buy the 2-PCS 20 Heavy Duty Bike Tire Tubes in Saint Lucia?

    Answer: You can buy the 2-PCS 20 Heavy Duty Bike Tire Tubes through Ubuy in Saint Lucia. Ubuy offers a convenient online shopping experience, making it easy to find and order bicycle inner tubes directly from your home. They have a reliable selection of bike accessories that cater to various needs, ensuring you can equip your bicycle with high-quality parts.

YunSCM Tubes YunSCM330124 Editorial Review

The 2 Pack 20” Bike Tubes are a budget-friendly option for those in need of replacement tubes for their kids’ bikes or trikes. The tubes are compatible with a range of tires, from 20x2.125 to 20x2.4, and come with a standard 32mm valve. Installation is easy, and the tubes hold air well.

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Pros

  • Budget-friendly
  • Easy to install
  • Compatible with a range of tires

Cons

  • Some customers have experienced multiple flats in a short period of time

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Mohammad
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

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23 July 2026 · via Trustpilot
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  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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XCD 68

Order now and get it around Thursday, August 20

QTY:

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Features & Benefits

  • 2 Pack 20 Bike Tubes 20 x 2.125/2.40 AV32mm Valve for 20-inch wheels with tire width between 2.125-2.40
  • Quick and easy installation with inflation guide
  • Ensure proper inflation before installation to avoid pinch flats
  • Absorbs impact for a comfortable and safe ride
  • Great for Cruiser and Mountain bike tires
  • Made from high quality butyl rubber

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