Available autumn 2025

CX/Gravel ExtraLite Protect AL

25.95 €

Extra Light. Extra Strong.

650B–700C 32–52 mm 58 g SV65 mm

A dependable, and compact companion. This the best do-it-all gravel tube. Dependable and lightweight.

Protection Level

3 of 6

Perfect balance of extra-high puncture resistance with extra-light weight and fast rolling performance.

Note: Only suitable for disc brakes.

Tire Width
32-52 mm
Valve
SV65 mm

Highlights

  • LOWER WEIGHT

    AERON/TPU Airtubes are on average two thirds lighter than comparable butyl bicycle tubes.

    Inflated AERON/TPU tube
  • SMALL PACKING SIZE

    AERON/TPU Airtubes can be rolled up tightly into an incredibly compact size.

    Bicycle tube is stowed in the bicycle frame
  • LOWER ROLLING RESISTANCE

    AERON/TPU Airtubes absorb less energy, which significantly reduces rolling resistance.

    Rolling resistance in the laboratory test
  • PUNCTURE PROTECTION

    Due to high elasticity and material strength, AERON/TPU Airtubes have extremely high puncture protection.

    Puncture safety is tested in the laboratory

Details

Weight 58 g
Tire Width 32–52 mm
Valve SV
Protection Level 3
Valve Shaft Material Aluminium
Brake Type Disc Brake
Valve Length 65 mm
Weight Saving 61% compared to corresponding butyl tubes
Art.-No. 333 100 06
MSRP 25.95 €

CX/GRAVEL Series

TPU Airtube technology, perfectly tuned for rough roads, chunky gravel and everything in between: Lightweight with incredible puncture protection and low rolling resistance in an ultra-small packed size. AERON/TPU offers high-performance Airtubes for gravel and cyclocross racers with versions delivering maximum puncture protection for bikepackers and ultra-endurance competitors.

Gravel

AERON/TPU Core technology

Innovation in every detail

At AERON/TPU, we dedicate all our expertise and passion solely to the development and production of high-end TPU bicycle inner tubes. Our aim is to offer the best possible tube solution for every application.

Multi Layer Technology

AERON/TPU manufacturing technology allows multilayer construction within an Airtube.

Multi Layer

Micro Welding

AERON/TPU valve bases are mechanically heat bonded to endure demanding leak testing.

Micro Welding

Anti-Slip Surface

The specially designed AERON/TPU valve stems guarantee optimum pump head interface and retention.

Anti Slip Surface

Smart Quality Control

Every AERON/TPU Airtube is subjected to strict quality controls.

Quality Control

Heavy Duty Bond

AERON/TPU valve cores are permanently bonded to ensure reliable and long-lasting performance.

Heavy Duty Bond

Aluminum Valve Stem

High-end aluminum valve stem. Perfect combination of lightweight construction, durability and flawless finish.

Alu Valve Stem