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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 $31.99. 70% lighter than butyl, it boosts acceleration and ride efficiency for road cyclists seeking peak performance on 700c wheels.

$31.99

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Key features

  • 70% lighter than butyl tubes
  • Weighs only 24–35g
  • Made from durable, recyclable TPU
  • Foldable for compact storage
  • Improved valve for better sealing
  • Compatible with 700x18–32c tires
  • Superior puncture resistance

Pros

  • +Dramatic weight reduction boosts performance
  • +Eco-friendly and fully recyclable material
  • +High resistance to scratches and punctures
  • +Compact size ideal for spare carry
  • +Better air retention than latex tubes
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Cons

  • Higher cost than standard butyl tubes
  • Requires careful installation to avoid damage
  • Limited availability of replacement parts

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 performance hybrid bikes with 700c wheels. Constructed from durable thermoplastic polyurethane (TPU), it weighs just 24 to 35 grams—about 70% lighter than standard butyl tubes—making it ideal for riders focused on reducing rotational weight. This lightweight design enhances acceleration, improves ride efficiency, and supports competitive or long-distance cycling. The tube is compatible with tire widths from 700x18c to 700x32c, offering versatility across road and endurance setups.

Key features

  • Ultralight Weight — Weighs only 24–35g, reducing rotational mass by 70% vs butyl tubes.
  • Durable TPU Material — Scratch and puncture-resistant, eco-friendly, and recyclable.
  • Compact & Portable — Foldable design fits easily in saddle bags for on-the-go repairs.
  • Improved Valve Design — Upgraded valve enhances air tightness and core compatibility.
  • Better Air Retention — Outperforms latex tubes with longer-lasting pressure stability.
  • Easy Installation — Smooth fit when handled carefully, minimizing pinch risks.
  • Wide Compatibility — Fits 700x18–32c tires, ideal for most road and performance hybrids.

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 weight-conscious commuters. It’s best suited for those upgrading from heavier butyl tubes to gain measurable efficiency and speed. Cyclists who prioritize portability and eco-friendly materials will also benefit. While ideal for competition and long rides, it requires careful handling during installation.

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 dramatically lighter and more portable, offering faster acceleration and improved fuel efficiency. It surpasses latex tubes in air retention and durability while being more environmentally sustainable. However, it costs more than butyl and demands more care during mounting. While not as widely available as traditional tubes, its performance benefits make it a top choice for serious riders seeking a competitive edge without sacrificing reliability.

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Best use cases

  • Road racing and time trials
  • Long-distance endurance rides
  • Weight-optimized commuter bikes
  • Spare tube for competitive cyclists
  • Eco-conscious performance upgrades
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Is ROCKBROS Bike Inner Tube 700x18/32C Super Light 24/35g TPU right for you?

Buy the ROCKBROS TPU inner tube if you're a performance cyclist seeking reduced weight and faster acceleration. Ideal for intermediate to advanced riders comfortable with careful tube installation. Best for road bikes with 700c wheels. Consider standard butyl tubes for budget use or latex for maximum suppleness—but expect trade-offs in weight or durability.

How it compares: Compared to butyl tubes, it's 70% lighter and more portable. Against latex, it offers better air retention and durability. More eco-friendly than both, though pricier than standard options.

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Frequently Asked Questions

What makes the ROCKBROS TPU inner tube lighter than regular tubes?

It uses thermoplastic polyurethane (TPU) instead of butyl rubber, reducing weight by 70%. The 24–35g mass cuts rotational inertia, improving acceleration and ride efficiency for performance cycling.

Does the ROCKBROS 700x18/32C TPU tube fit all road tires?

Yes, it fits most 700c road tires with widths from 18c to 32c. Always confirm your tire size matches this range for optimal performance and secure fitment.

How does TPU compare to latex and butyl inner tubes?

TPU is lighter than butyl, more durable than latex, and offers better air retention. It balances performance, longevity, and eco-friendliness, though it costs more than both alternatives.

Is the ROCKBROS TPU inner tube easy to install?

It requires careful handling to avoid pinching or tearing during installation. Use tire levers gently and ensure proper alignment. Not as forgiving as butyl, but manageable with attention.

Can I use this TPU tube as a spare on long rides?

Yes, its compact, foldable design makes it ideal for carrying as a spare. Lightweight and durable, it’s a reliable backup for punctures during road races or endurance events.

How much does ROCKBROS Bike Inner Tube 700x18/32C Super Light 24/35g TPU cost?

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?

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?

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.

Specifications

SKU
39210020002
Last updated May 14, 2026