Le nuove camere d'aria Schwalbe sono più ecologiche e lisce

German bicycle component manufacturer Schwalbe has officially announced an upgraded version of its Aerothan inner tubes, and this time, it’s not just about performance. The new tubes are made with 91% recycled material, featuring improved durability, better handling, and more compatibility—all while being produced through a pioneering closed-loop recycling process.

This latest development marks a significant step in Schwalbe’s move toward a fully circular product model, as the brand continues to blend sustainability with innovation in the cycling world.

What’s New in the 2025 Aerothan Tube?

Compared to previous iterations, the new Aerothan tube features several practical upgrades:

New Valve Design: Gone is the older plastic valve stem. The new version comes with a sleek, external-threaded aluminium valve stem, improving durability and compatibility with a wider range of pumps and sensors.
Improved Handling and Stability: Riders can expect better cornering and control, thanks to fine-tuned tube wall construction and shape retention at high speeds.
Low Rolling Resistance: Retaining its signature low rolling resistance, the Aerothan tube continues to appeal to performance-focused cyclists.
Wide Compatibility: It works seamlessly with Schwalbe’s Clik Valve, the Bosch Speed Sensor, and the Schwalbe Airmax Smart Bike Sensor.

The tubes will be available in 39 variants, catering to everything from small folding bikes to full-sized mountain and road bikes. Retail availability is expected by the end of 2025.

91% Recycled Materials: From Tyres to Tubes

Perhaps the most headline-worthy aspect of the launch is the sustainability story. The new Aerothan tube is made using 91% circular material, much of it sourced from end-of-life tyres. This innovation stems from a partnership between Schwalbe, Pyrum Innovations AG, E BASF—two companies working at the forefront of chemical recycling.

Here’s how it works:

Used tyres are collected and processed by Pyrum in a high-tech recycling facility in Saarland, Germany.
These tyres are broken down using pyrolysis, a thermal decomposition method that yields three useful products:
- Pyrolysis gas, which is converted into on-site electricity and process heat.
- Pyrolysis oil, sent to BASF to be used as a raw material in the production of thermoplastic polyurethane (TPU).
- Recovered carbon black (rCB), used to manufacture new tyres.
BASF then uses a mass balance approach to certify that the pyrolysis oil replaces fossil-based inputs in TPU manufacturing. This sustainable TPU is used in Schwalbe’s Aerothan tubes.

The result? A new generation of inner tubes where most of the raw materials come from old tyres, making the product not only eco-friendly but also a symbol of true circular economy in cycling components.

Part of a Bigger Green Vision

Schwalbe’s new Aerothan tube isn’t an isolated product—it’s a part of the brand’s broader effort to eliminate waste and reduce reliance on fossil fuels. Already, more than 70% of Schwalbe’s tyres include recycled carbon black, showing the company’s dedication to scaling up green manufacturing.

The company’s Schwalbe Recycling System, built with Pyrum Innovations, plays a central role in enabling these breakthroughs. By keeping valuable materials like carbon black and TPU in circulation, Schwalbe aims to prove that performance and sustainability don’t need to be at odds.

This isn’t just a marketing move. It’s a business model shift. It shows how high-end bike components can be both technically advanced and environmentally responsible—two features increasingly important to today’s riders.

Why This Matters for E-Bike Riders

Electric bike owners stand to benefit greatly from these updated tubes. E-bikes are typically heavier than standard bikes and put more strain on their tyres and inner tubes. The extra stability and puncture resistance offered by Aerothan makes them a great fit for e-bike commuting, delivery services, and even light touring.

Plus, the low rolling resistance helps offset some of the range limitations common with electric bikes, potentially squeezing a few more kilometers out of every charge.

And for riders who care about eco-conscious transportation, using inner tubes made from old tyres helps align their e-bike use with broader sustainability goals.

Guardando avanti

With rising global demand for electric and conventional bikes, sustainability in bike parts is no longer a “nice-to-have”—it’s fast becoming a market differentiator. Schwalbe’s new Aerothan line proves that performance upgrades and environmental responsibility can go hand in hand.

Retailers can expect stock by the end of 2025, with global distribution likely to follow shortly after. Whether you’re a casual commuter or a bike shop owner, this is one product launch worth keeping an eye on.

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