Designed specifically for saddle carrier mounting systems, the Topeak Tri-Cage is the perfect accessory for cyclists. Its easy access "forward-release" design helps prevent accidental drops when reaching back for a bottle. This Tri-Cage is made from high-quality engineering grade plastic, ensuring durability and reliability on your rides.What sets the Topeak Tri-Cage apart from other bottle cages is its compatibility with Topeak Ninja accessories. This feature allows you to carry additional accessories under the Tri-Cage, giving you more storage options while keeping your essentials within easy reach. The Topeak Tri-Cage is also compatible with the Topeak Tri-BackUp or other hydration mounting systems, making it adaptable to different setups. With dimensions of 14.7x9.2x8.28cm and a weight of just 74g, this lightweight cage won't weigh you down on your rides.Choose the Topeak Tri-Cage for its practical and versatile design. It's the perfect addition to your cycling gear. Get yours today and enjoy the convenience it brings to your rides.