Mastering Your Aero Advantage: The Profile Design Sonic Ergo Range

Your guide to choosing the right Aerobars for Triathlon and TT bikes — trusted by champions worldwide.

Whether you’re racing a sprint triathlon, preparing for an Ironman, or chasing a personal best in a local time trial, the right aerobars can transform your comfort and performance. In this guide, we break down the Profile Design Sonic Ergo range — the 26a, 39a, and 52a — so you can choose the perfect fit for your riding style. Designed with precision engineering and proven on the world stage, Profile Design remains the gold standard for Aerobars for Triathlon and TT bikes.

Every product is built to help you maintain optimal aerodynamics without sacrificing comfort, a balance that is critial for both speed and endurance.

Why Profile Design Stands Above the Rest

In a market full of copycat designs and budget shortcuts, Profile Design has spent decades perfecting the science of aerodynamics, ergonomics, and adjustability. Every Sonic Ergo model is crafted from premium alloys and carbon where needed, tested in wind tunnels, and refined through feedback from professional athletes.

This is why Profile Design is trusted by Olympic triathletes, Kona Ironman finishers, and time trial specialists worldwide. Choosing Profile Design isn’t just about buying aerobars — it’s about investing in performance, reliability, and proven results.

A sleek, streamlined setup that offers excellent front-end stability. Best for riders seeking a balance of comfort and aerodynamics in short to mid-distance races.

Provides a relaxed hand position for long efforts without losing aero efficiency. Perfect for Ironman athletes who spend hours in the aero tuck.

Offers an upright aero position that reduces back and shoulder strain. Ideal for ultra-distance triathlons or riders prioritizing comfort over extreme aerodynamics.

Aerobar Comparison Table

feature

26a

39a

52a

extension rise

extension angle

best for

comfort level

adjustability

weight

material

compatibility

What The Bike Fitters should know?

Each variant in the Sonic Ergo range is designed to meet specific rider preferences. When guiding a customer, focus on their race distance, flexibility, and comfort in the aero position.
Stocking all three variants ensures you can match every rider to their perfect fit.

Even if you already ride with aerobars, upgrading to Profile Design offers measurable gains in fit, comfort, and confidence. Many riders only realise the difference after experiencing the adjustability, ergonomics, and build quality that Profile Design delivers.

Better ergonomics for reduced fatigue
Smoother hand transitions during shifting and hydration
Proven aerodynamics benefits from precision-engineered shapes
Industry-leading adjustibility for a truly personalised fit.

Explore the Sonic Ergo range today and give yourself the advantage you deserve.

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