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ROCKBROS Bike Inner Tube 700x18/32C Super Light 24/35g TPU
ROCKBROS Bike Inner Tube 700x18/32C Super Light 24/35g TPU is an ultralight 24–35g TPU inner tube priced at $24.99. 70% lighter than butyl, it delivers faster acceleration and easier portability, ideal for road cyclists seeking performance gains on long rides or races.
$24.99
● In stock
Buy at Yiwu Rock Sports Goods →Price and availability may change. Click to see current details on Yiwu Rock Sports Goods.
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Key features
- 70% lighter than butyl tubes
- Durable, recyclable TPU material
- Weighs only 24–35g
- Fits 700x18-32C tire widths
- Improved valve air tightness
- Compact for easy carrying
- Resists punctures and scratches
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Pros
- +Significant weight reduction improves performance
- +Eco-friendly and recyclable TPU build
- +Better air retention than latex tubes
- +Easy to install without pinching
- +Ideal for road and gravel bike setups
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Cons
- −Higher cost than standard butyl tubes
- −Requires careful handling during install
- −Limited to 700c wheel compatibility
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About ROCKBROS Bike Inner Tube 700x18/32C Super Light 24/35g TPU
What is ROCKBROS Bike Inner Tube 700x18/32C Super Light 24/35g TPU?
The ROCKBROS Bike Inner Tube 700x18/32C Super Light 24/35g TPU is a high-performance inner tube engineered for road and gravel cyclists who prioritize weight savings and ride efficiency. Constructed from durable, recyclable TPU (thermoplastic polyurethane), this tube weighs just 24 to 35 grams—about 70% lighter than traditional butyl tubes—making it a top choice for competitive riders and long-distance tourers. It fits 700c wheels with tire widths from 18mm to 32mm, offering broad compatibility across modern road, endurance, and gravel setups.
Key features
- Ultralight Design — Weighs only 24–35g, reducing rotational mass for faster acceleration.
- Durable TPU Material — Resists punctures, scratches, and UV damage; fully recyclable.
- Improved Valve Seal — Enhanced air retention with wider compatibility for valve cores.
- Compact and Portable — Small packed size makes it ideal as a spare tube on rides.
- Easy Installation — Smooth fit prevents pinching during mounting.
- 700x18-32C Fit — Compatible with most road and gravel tire widths.
- Eco-Friendly Build — Made from non-toxic, recyclable TPU material.
Who is ROCKBROS Bike Inner Tube 700x18/32C Super Light 24/35g TPU for?
This inner tube is designed for performance-focused cyclists, including road racers, endurance riders, and gravel enthusiasts who want to reduce bike weight and improve ride responsiveness. It’s also ideal for bikepackers and touring cyclists who need a reliable, lightweight spare tube that won’t take up much space. While slightly more delicate than butyl tubes, its durability and air retention outperform latex alternatives.
How does ROCKBROS Bike Inner Tube 700x18/32C Super Light 24/35g TPU compare?
Compared to standard butyl tubes, the ROCKBROS TPU tube is 70% lighter and offers better rolling efficiency, though it costs more. It holds air longer than latex tubes and is more puncture-resistant. While installation requires care, it’s easier than latex and more reliable under sustained pressure. For riders upgrading from butyl or seeking a sustainable, high-performance option, this TPU tube strikes a strong balance between weight, durability, and real-world usability.
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Best use cases
- →Road racing and time trials
- →Long-distance endurance rides
- →Gravel and adventure cycling
- →Bikepacking and touring
- →Spare tube for fast group rides
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Is ROCKBROS Bike Inner Tube 700x18/32C Super Light 24/35g TPU right for you?
The ROCKBROS TPU inner tube is best for intermediate to advanced cyclists focused on performance, weight savings, and sustainability. It suits road, gravel, and endurance riders willing to pay more for efficiency. Beginners may prefer butyl tubes for cost and ease. Alternatives include standard butyl tubes for durability and latex for suppleness, but TPU offers the best balance of light weight and air retention.
How it compares: Compared to butyl tubes, this TPU version is 70% lighter and more eco-friendly but costs more. It outperforms latex in air retention and puncture resistance while being easier to install. Ideal for riders seeking a premium upgrade without latex’s drawbacks.
Are There Active Yiwu Rock Sports Goods Coupons for This Product?
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Frequently Asked Questions
What is the weight of the ROCKBROS TPU inner tube?
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The ROCKBROS Bike Inner Tube 700x18/32C weighs between 24g and 35g, depending on inflation and manufacturing variance. This ultralight design reduces rotational mass significantly compared to standard butyl tubes, enhancing acceleration and ride efficiency.
Does this TPU tube fit all 700c tires?
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It fits 700c tires with widths from 18mm to 32mm, covering most road, endurance, and gravel tires. Always verify your tire size before purchase to ensure compatibility with this specific inner tube range.
How does TPU compare to latex and butyl tubes?
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TPU is lighter than butyl and holds air better than latex. It’s more puncture-resistant than latex and more eco-friendly than both. TPU offers a balanced upgrade in performance, weight, and durability over traditional materials.
Is the ROCKBROS TPU tube easy to install?
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Yes, it installs more easily than latex tubes and is designed to prevent pinching. Use tire levers carefully and inflate slowly at first to avoid misalignment, especially with tight-fitting tires.
Can I use this as a spare tube on long rides?
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Absolutely. Its compact, lightweight design makes it ideal as a spare. It packs small and adds minimal weight, making it a favorite among road cyclists and bikepackers needing reliable backup inflation.
How much does ROCKBROS Bike Inner Tube 700x18/32C Super Light 24/35g TPU cost?
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ROCKBROS Bike Inner Tube 700x18/32C Super Light 24/35g TPU is $24.99 at Yiwu Rock Sports Goods. Prices may change — click through to Yiwu Rock Sports Goods for the latest.
Is ROCKBROS Bike Inner Tube 700x18/32C Super Light 24/35g TPU in stock at Yiwu Rock Sports Goods?
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Yes, ROCKBROS Bike Inner Tube 700x18/32C Super Light 24/35g TPU is currently in stock at Yiwu Rock Sports Goods.
Are there coupon codes for Yiwu Rock Sports Goods?
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Yes — Love Those Deals currently tracks 2 active Yiwu Rock Sports Goods coupons. See the coupons section on this page to copy a code before checkout.
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Specifications
- SKU
- 39210019002
Last updated May 14, 2026