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Item #:
171494298
24-Pack TPU Inner Tube 700C, Ultralight 30g Road Bike Tube Compatible with 700x18-32C Metal Presta Valve 456585mm -TPU Road Bicycle Tire 28 with a
Item #:
171494298
GBP 26
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At just 63g per tube, our TPU bike tubes reduce rotational weight by 200g per pair; Enhance acceleration, climbing efficiency, and speed for competitive riders.
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What Stands Out
Ultralight Design
Weighing significantly less than standard tubes, these ultralight TPU inner tubes enhance performance and reduce overall bike weight, providing improved speed and agility on mountainous terrain.
High-Pressure Durability
Engineered for high-pressure applications, these tubes withstand harsh riding conditions, delivering exceptional puncture resistance and prolonged lifespan for intense mountain biking adventures.
Versatile Compatibility
Designed to fit a wide range of tires, these 29'' inner tubes are suitable for various mountain biking setups, ensuring a seamless and reliable experience for different tire types.
Product Details
| Brand Name | CYCLAMI |
| Item Weight | 90 Grams |
| Manufacturer | CYCLAMI |
| Model Number | 2P-PINK-30G-45-US |
| Manufacturer Part Number | 2P-PINK-30G-45-US |
| Included Components | 700C bike tube |
| Valve Type | METAL |
| Wheel Size | 700 Millimeters |
| Compatible Tire Width Minimum | 18 Centimeters |
| Compatible Tire Width Maximum | 32 Millimeters |
| Bike Type | Road Bike |
| Item Diameter | 700 Centimeters |
| Valve Length | 1.77 Inches (4.5 cm) |
| Size | 2-pack 45mm metal valve |
| Material Type | TPU/Metal |
| Brand | CYCLAMI |
| Material | TPU/Metal |
| Country of Origin | This item will be imported from US |
| Date First Available | September 21, 2025 |
Who Should Buy?
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Competitive Cyclists
Ideal for serious mountain bikers seeking lightweight tubes that enhance performance during races and challenging trails.
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Trail Riders
Perfect for riders who frequently hit rugged trails and need durable tubes that withstand high-pressure conditions.
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Weight-Conscious Riders
Great for cyclists focused on reducing bike weight to improve speed and handling on various terrains.
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Casual Riders
Not suitable for leisure bikers who prefer heavier options for durability over lightweight performance in relaxed rides.
Product Description
24-Pack TPU Inner Tube 700C, Ultralight 30g Road Bike Tube Compatible with 700x18-32C Metal Presta Valve 456585mm -TPU Road Bicycle Tire 28 with a Multi-Functional Tire Pry Bar
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What are the benefits of using Ultralight TPU Mountain Bike Inner Tubes?
Answer: Ultralight TPU Mountain Bike Inner Tubes are designed to enhance your riding experience by offering reduced weight without compromising durability. This lightweight construction makes your bike more agile and responsive, enabling better handling on tough terrains. Additionally, the TPU material is highly resistant to punctures compared to traditional rubber, which means fewer interruptions on your rides. Ideal for avid mountain bikers who seek speed and efficiency, these tubes can significantly improve your performance during long rides or competitive events. -
Question:
Are these inner tubes compatible with all 29-inch mountain bike tires?
Answer: The Ultralight TPU Mountain Bike Inner Tubes are specifically made for 29-inch tires, particularly those sized between 1.9 to 2.5 inches. Ensuring compatibility is crucial for optimal function; using the correct size guarantees a snug fit that prevents pinch flats and provides reliable inflation. Whether you're riding on rugged trails or smooth roads, these tubes adapt well, making them versatile for various biking conditions. Always check your tire specifications before purchasing to ensure the perfect match. -
Question:
What valve type do these inner tubes have, and why is it important?
Answer: These inner tubes are equipped with a Presta valve, which is a common choice among mountain bikers due to its lightweight and compact design. The 45mm length is ideal for deep rims, providing an easier inflation process. Using a Presta valve helps to maintain higher air pressure, which is beneficial for performance and reduces the risk of pinch flats. If you're using tubeless setups or want better air retention, the Presta valve offers an efficient solution, making it a favorite for serious cyclists. -
Question:
Can I use these tubes for high-pressure applications?
Answer: Yes, these Ultralight TPU Mountain Bike Inner Tubes are engineered to handle high-pressure applications efficiently. Their TPU material offers superior strength, allowing them to withstand higher inflations without risk of bursting. This feature is particularly beneficial for riders who prefer higher tire pressure for reduced rolling resistance or enhanced control during aggressive riding. For mountain biking enthusiasts, this means better traction and performance on various terrains, whether you're climbing steep hills or navigating downhill trails. -
Question:
How do I properly install these inner tubes?
Answer: Installing Ultralight TPU Mountain Bike Inner Tubes requires a few specific steps. Start by removing the wheel from your bike and then deflate the current inner tube if necessary. Next, gently place the new tube inside the tire, ensuring that it’s evenly distributed and not twisted. Carefully fit the tire back onto the rim, making sure that the tube does not get pinched between the tire and rim. Once securely in place, inflate the tire to your desired pressure, but avoid over-inflation. This method helps to ensure a smooth ride and diminish the chance of punctures. -
Question:
What maintenance is required for TPU inner tubes?
Answer: Maintaining Ultralight TPU Mountain Bike Inner Tubes involves regular inspections and proper inflation checks. Start by frequently checking for leaks or punctures, especially before long rides. Ensure they are inflated to the recommended pressure to avoid pinch flat situations. When storing your bike, keeping it in a cool, dry place prevents damage from UV exposure and temperature changes that can weaken the tube. For mountain bikers who take their bikes through rugged terrain, inspecting your tubes after a ride can be beneficial in ensuring performance. -
Question:
How do TPU tubes compare to traditional rubber inner tubes?
Answer: TPU tubes offer several advantages over traditional rubber inner tubes, primarily in weight and puncture resistance. Being lighter, TPU tubes improve bike handling and acceleration while maintaining durability. Unlike rubber, TPU is more resistant to cuts and punctures, making it suitable for rough terrains commonly encountered in mountain biking. If you're a competitive cyclist or someone who frequently rides in challenging conditions, the investment in TPU tubes can lead to better performance and less inconvenience during rides. -
Question:
What weight savings can I expect with these ultralight tubes?
Answer: The weight savings provided by Ultralight TPU Mountain Bike Inner Tubes can be significant compared to standard rubber tubes. Typically, a TPU tube can weigh as much as 50-100 grams less than its rubber counterpart, which means better acceleration and efficiency while riding. For mountain bikers looking to shave off extra weight without sacrificing strength or durability, this can make a noticeable difference, especially during climbs or long-distance rides. The reduction in rotational weight can also enhance overall bike performance. -
Question:
Where can I buy Ultralight TPU Mountain Bike Inner Tubes?
Answer: You can buy Ultralight TPU Mountain Bike Inner Tubes from Ubuy, which offers a wide selection of cycling accessories including these tubes. Ubuy ensures that you have access to quality cycling products that suit your biking needs. Whether you're looking for performance enhancements or durability, Ubuy provides competitive options and reliable descriptions to help you make informed purchasing decisions.
CYCLAMI Tubes 2P-PINK-30G-45-US Editorial Review
** Ultralight TPU Mountain Bike Inner Tubes** The Ultralight TPU Mountain Bike Inner Tubes from CYCLAMI have garnered a mixed reception from customers, primarily highlighting the differences in performance and reliability. Many users enthusiastically praise the lightweight design, which significantly reduces rotational weight, making climbing and overall biking feel easier. With each tube weighing only 30 grams, riders have reported a noticeable increase in speed and a smoother ride, attributing part of the performance enhancement to the tubes, alongside their tire upgrades. The installation process is generally described as straightforward, with the 65 mm Presta valve being noted for its convenient height, facilitating easy access for inflation. Many customers appreciate the tubes' compatibility across a range of tire sizes (700×18 to 32C), offering flexibility for those who frequently change their tires. Positive experiences include sustained pressure retention over days and a robust puncture resistance, further enhancing confidence during longer rides. However, not all feedback has been favorable. Several users reported significant failures, including rapid ruptures and pinch flats under normal conditions. Experiences of tubes failing within an hour, especially in colder weather, raise concerns about their durability compared to traditional butyl tubes. A notable division exists in customer experience, with some praising them as a worthwhile upgrade while others deem them unreliable and prone to failure. Overall, the CYCLAMI Ultralight TPU tubes serve as a compelling option for riders looking for lightweight performance enhancements, but potential buyers should carefully Consider the mixed durability reports before making a purchase. **
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Pros
- Extremely lightweight (30 grams each), enhancing climbing performance
- Smooth and thin TPU material with good puncture resistance
- Easy installation with well-placed Presta valve
- Compatible with a variety of tire sizes (700×18 to 32C)
- Positive experiences reported regarding ride smoothness and speed
Cons
- Reports of rapid ruptures and pinch flats under normal use
Platform Trust & Buyer Confidence
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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.”
22-Jul-26 · via Trustpilot
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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
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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!”
22 July 2026 · via Trustpilot
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23 July 2026 · via Trustpilot
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GBP 26
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Features & Benefits
- Compatible with 29x1.9-2.5 tires and Presta valves.
- Ultra-lightweight design at only 63g per tube.
- Reduces rotational weight by 200g per pair for improved performance.
- Military-grade durability with 0.3mm reinforced TPU walls.
- Lab-tested to withstand 3x more pressure and 5x sharper impacts.
- Low rolling resistance boosts speed by 1.5-2.2%.
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