Collection: Bottle Cages

When it comes to bike gear, the bottle cage might not be the first thing you think of — but it’s a small detail that makes a big difference. Whether you're training on the road, racing a triathlon, or riding gravel, staying hydrated is key — and that means your water bottles need to be secure, accessible, and easy to use while you ride.

At Transition Zone, we stock bottle cages from the industry's most trusted brands, offering the perfect balance of low weight, strong grip, and aerodynamic performance.

A high-quality bottle cage should let you grab your water bottle and return it with one hand — without taking your eyes off the road or breaking your flow. It also needs to hold the bottle firmly, even over rough terrain, and fit both small and large bottles.

In our collection, you’ll find bottle cages that meet all these demands — designed for both training and race-day conditions.

One of the most important factors when choosing a bottle cage is the material. For serious riders and triathletes, carbon fiber is a top choice. Carbon cages are ultra-light — often weighing less than 30 grams — while offering excellent stiffness, grip, and a sleek, premium look. These high-performance models are trusted by professional cycling teams and triathletes around the world.

If you're looking for a more budget-friendly option without compromising on performance, aluminum and composite bottle cages are great alternatives. They're ideal for everyday training, commuting, or as a secondary cage on your gravel or endurance bike. Many of these models feature adjustable grips to fit various water bottle sizes, and some even include built-in shock absorption to protect both the cage and the bottle over rough terrain.

At Transition Zone, you’ll find bottle cages in every material category — whether you're chasing marginal gains on race day or need a reliable, durable solution for your daily rides.

For triathletes and time trialists who think in terms of watts and drag, the placement and design of the bottle cage are critical. Aerodynamic setups — such as between-the-arms (BTA), behind-the-saddle, or under-the-frame mounting — are becoming increasingly popular for their ability to reduce air resistance and optimize performance.

Brands like XLAB and Profile Design lead the way in aero hydration systems, offering integrated solutions where bottle and cage form a compact, streamlined unit. Many of these setups use specially designed aero bottles that fit precisely into the cage, minimizing turbulence and airflow disruption. In a sport where seconds matter, this can be the difference between a podium finish and chasing from behind in T1 or T2.

Functionality also plays a key role. Aero bottles must be easy to reach and use — even when you're locked in the aero position with limited mobility. That’s why these systems are engineered for one-handed access without sacrificing speed or control.

At Transition Zone, you’ll find a curated selection of aerodynamic bottle cages and hydration systems built for competition. Whether you're dialling in your Ironman setup or preparing for your next time trial, we're here to help you find the right solution for your bike and your goals.

Whether you're new to cycling or an experienced triathlete, Transition Zone has the right bottle cage for your needs. We stock a wide selection from top brands like Elite, Profile Design, XLAB, and more — with solutions for every bike and riding style.

Our range includes everything from classic frame-mounted bottle cages to aerodynamic mounts and integrated hydration systems designed for cockpit or saddle placement. All our cages are tested and trusted by professionals and dedicated amateurs alike — because we never compromise on quality.

Need help choosing the right setup? We're happy to guide you based on your bike, preferences, and priorities — whether it's weight, aerodynamics, functionality, or budget.

Explore our webshop and find the bottle cage that keeps you optimally hydrated without sacrificing performance, style, or ease of use. At Transition Zone, we specialize in triathlon and high-performance cycling gear — and we’re here to support you every step of the way to the finish line.