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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 boosts acceleration and portability, ideal for road cyclists and racers seeking performance gains.
$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
- Compact and easy to carry
- Upgraded valve for better seal
- Simple installation, low pinch risk
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Pros
- +Significant weight reduction improves ride performance
- +Eco-friendly and recyclable TPU material
- +High puncture and scratch resistance
- +Easy to pack for long rides or races
- +Faster acceleration due to low rotating mass
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Cons
- −Higher cost than standard butyl tubes
- −Requires careful installation to avoid damage
- −Limited to 700c wheel sizes
- −May need valve core adjustments for some pumps
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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 racing bicycles. Constructed from durable thermoplastic polyurethane (TPU), it delivers a 70% weight reduction compared to traditional butyl tubes, significantly lowering rotational mass for faster acceleration and improved ride efficiency. Weighing just 24 to 35 grams, this tube fits 700c wheels with tire widths between 18 and 32mm, making it suitable for modern road, gravel, and endurance bikes. Its compact size and lightweight design make it an excellent spare for long rides or race support.
Key features
- 70% Lighter Than Butyl — Reduces rotating weight for faster acceleration and improved climbing efficiency.
- Durable TPU Material — Resists punctures, scratches, and UV damage; eco-friendly and recyclable.
- Ultra-Light 24–35g — Among the lightest 700c tubes available, enhancing overall bike performance.
- Compact & Portable — Easily fits in jersey pockets or saddle bags as a spare.
- Upgraded Valve Design — Improved air tightness and compatibility with most pump heads and valve cores.
- Easy Installation — Smooth fit reduces pinch-flat risk during mounting.
- Wide Tire Compatibility — Fits 700x18–32c tires, ideal for road and light gravel use.
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 prioritize weight savings and reliability. It’s ideal for riders upgrading from standard butyl tubes to reduce rotational mass and improve ride dynamics. The compact size also benefits long-distance tourers and bikepackers needing a lightweight spare.
How does ROCKBROS Bike Inner Tube 700x18/32C Super Light 24/35g TPU compare?
Compared to standard butyl inner tubes, the ROCKBROS TPU tube is up to 70% lighter and more resistant to abrasion and UV degradation. While butyl tubes are cheaper and easier to install, TPU offers superior performance and eco-friendliness. It competes with other ultralight TPU tubes in the same category, offering similar weight and durability at a competitive price point. However, it requires more care during installation than thicker butyl equivalents.
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Best use cases
- →Road racing and time trials
- →Long-distance endurance rides
- →Gravel and light off-road riding
- →Bikepacking and touring
- →Spare tube for emergency repairs
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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 experienced cyclists seeking performance gains through weight reduction. Ideal for road and gravel riders comfortable with delicate tube installation. Beginners may prefer standard butyl tubes for ease of use. Consider this if you race, ride long distances, or want an eco-friendly, ultralight spare. Alternatives include standard butyl tubes or latex inner tubes, which offer different trade-offs in weight, cost, and durability.
How it compares: Compared to standard butyl inner tubes, this TPU tube is 70% lighter and more durable but costs more and requires careful handling. It outperforms butyl in acceleration and portability but lacks the ruggedness of thicker rubber. Against latex tubes, it offers better puncture resistance and air retention, with similar weight savings.
Are There Active Yiwu Rock Sports Goods Coupons for This Product?
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Frequently Asked Questions
What makes the ROCKBROS TPU inner tube lighter than regular tubes?
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It's made from thermoplastic polyurethane (TPU), which is inherently lighter and thinner than traditional butyl rubber while maintaining strength and flexibility, resulting in a 70% weight reduction.
Does the ROCKBROS TPU tube fit all 700c tires?
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It fits 700x18–32c tires, covering most road and endurance bike tires. Check your tire width to ensure compatibility before installation.
How do I install a TPU inner tube without damaging it?
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Install carefully by hand, avoiding tire levers. Ensure the tire bead and rim are clean and smooth. Inflate slowly at first to seat the tube properly.
Is the ROCKBROS TPU inner tube recyclable?
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Yes, the TPU material is eco-friendly and recyclable, making it a more sustainable choice compared to non-recyclable butyl tubes.
Can I use a regular bike pump with this inner tube?
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Yes, but some floor pumps may require a compatible valve core or adapter. The upgraded valve improves compatibility, but double-check pump head fit.
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
- 39210019001
Last updated May 14, 2026