TriRig Universal BTA Adapter Plate

TriRig Universal BTA Adapter Plate provides a straightforward, highly adaptable foundation for riders who need a Between-the-Arms (BTA) bottle mount on aerobars that lack dedicated bolt bosses. Designed to be installed directly beneath arm cups, this plate creates a stable, ergonomic platform for front-end hydration setups while preserving clean cockpit integration. Engineered from a solid 6mm slab of T6-6061 aluminum and finished with a durable hard-anodized coating, the Universal BTA Adapter Plate is built for long-term reliability. Standard bottle cage spacing ensures compatibility with nearly all bottle cages, making it easy to configure a personalized hydration system. The plate also works seamlessly with other TriRig accessories—including Kappa bottle cages, the BTA Riser, and the 3-in-1 Polymount—giving athletes the flexibility to build a front-end setup tailored to their race goals and riding style. TriRig Universal BTA Adapter Plate Specs Use Case: Adds BTA bottle-mount capability to aerobars without bolt bosses. Installation: Must be mounted directly under arm cups; not eligible for returns. Compatibility: Standard bottle cage spacing; integrates with Kappa cages, BTA Riser, and 3-in-1 Polymount. Material: CNC-machined 6mm T6-6061 aluminum. Finish: Hard-anodized for durability. Design Benefits Universal fit: Provides BTA mounting capability even on aerobars without native bottle cage bosses. Clean integration: Creates a stable, ergonomic hydration platform under your arm cups. Highly configurable: Works with multiple TriRig accessories to tailor your setup. Durable construction: Thick aluminum plate withstands years of training and racing. Final Take The Universal BTA Adapter Plate is a robust, flexible solution for customizing your BTA bottle setup. Whether paired with Kappa cages or TriRig’s other cockpit accessories, it offers dependable performance and wide-ranging adjustability.