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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 tube priced at $31.99. 70% lighter than butyl, it delivers faster acceleration and easier portability, ideal for road cyclists needing a durable, high-performance spare tube.
$31.99
● 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
- Made from eco-friendly recyclable TPU
- Weighs only 24-35g
- Compact for easy carrying
- Upgraded valve for better seal
- Fits 700x18-32c tire widths
- Resists punctures and scratches
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Pros
- +Extreme weight savings improves ride performance
- +Durable and environmentally friendly material
- +Easy to install with reduced pinch-flat risk
- +Compact size ideal for on-the-go repairs
- +Better air retention than standard butyl tubes
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Cons
- −Higher cost than traditional butyl tubes
- −TPU requires careful handling during install
- −Limited to 700c road and endurance tires
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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 endurance bicycles. Constructed from thermoplastic polyurethane (TPU), it weighs just 24 to 35 grams—up to 70% lighter than standard butyl tubes. This dramatic weight reduction enhances ride efficiency, accelerates faster, and improves overall bike responsiveness. Designed for 700c wheels with tire widths between 18 and 32mm, it's ideal for competitive riders and long-distance cyclists who prioritize performance and portability.
Key features
- 70% Lighter Weight — Weighs only 24-35g, significantly reducing rotational mass for improved acceleration.
- Durable TPU Material — Scratch and puncture-resistant, eco-friendly, and recyclable thermoplastic polyurethane.
- Compact and Portable — Small packed size makes it easy to carry as a spare during rides.
- Upgraded Valve Design — Enhanced air tightness and compatibility with standard valve cores.
- Improved Air Retention — Maintains pressure better than traditional butyl tubes.
- Easy Installation — Reduced risk of pinch flats during mounting with proper technique.
- Wide Fit Range — Compatible with 700x18-32c tires, fitting most road and endurance bikes.
Who is ROCKBROS Bike Inner Tube 700x18/32C Super Light 24/35g TPU for?
This inner tube is best suited for performance-focused road cyclists, endurance riders, and bikepackers who value weight savings and reliability. It’s also ideal for riders seeking an eco-conscious alternative to butyl tubes. Due to its lightweight construction and material sensitivity, it’s recommended for users with moderate to advanced tire installation experience.
How does ROCKBROS Bike Inner Tube 700x18/32C Super Light 24/35g TPU compare?
Compared to standard butyl inner tubes, the ROCKBROS TPU tube offers superior weight savings, better air retention, and a smaller packed size. However, it comes at a higher price point and requires more careful handling during installation. Unlike latex tubes, it maintains pressure longer and is more durable, though slightly less elastic. It outperforms traditional tubes in portability and environmental impact, making it a top choice for riders upgrading their ride quality without switching to tubeless systems.
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Best use cases
- →Road racing and competitive cycling
- →Long-distance endurance rides
- →Bikepacking and ultralight touring
- →Spare tube for fast group rides
- →Eco-conscious riders upgrading gear
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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 road cyclists seeking performance gains through weight reduction. It suits riders comfortable with delicate tube installation and willing to pay a premium for durability and portability. Beginners may prefer standard butyl tubes for ease and cost. Alternatives include latex tubes for racers needing suppleness or butyl for budget reliability.
How it compares: Compared to butyl tubes, this TPU model is 70% lighter and more eco-friendly but costs more. It offers better air retention than latex and is more durable, though less elastic. Ideal for riders wanting lightweight performance without tubeless setup.
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 different from butyl tubes?
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It's made from thermoplastic polyurethane (TPU), making it 70% lighter than butyl tubes. It offers better air retention, is more eco-friendly, and packs smaller, though it requires careful installation and costs more.
Does the ROCKBROS Bike Inner Tube fit all 700c tires?
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It fits 700x18-32c tire widths, covering most road, endurance, and gravel bikes. Always match your tire size to ensure proper fit and performance.
How do I install a TPU inner tube without damaging it?
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Use tire levers carefully, inflate slowly to seat the bead, and avoid pinching the tube. Lubricating the tire bead and rim can help prevent tears during installation.
Is the ROCKBROS TPU tube worth the higher price?
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For performance riders, yes. The weight savings, durability, and portability justify the cost. Casual riders may prefer cheaper butyl options for everyday use.
Can I use this as a spare tube on long rides?
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Yes, its compact size and light weight make it ideal as a spare. It’s durable enough to handle emergency use and easy to carry in a saddle bag.
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 $31.99 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
- 39210020001
Last updated May 14, 2026