Giant Trinity Rim Brake - BTA Mount

from $220.00

The UnderCup BTA Mount is a sleek, stable solution designed specifically for the Giant Trinity Rim Brake. It securely positions your hydration bottle underneath your arm cups (or Cup Wedges), perfect for setups that don’t have a dedicated BTA mount.

Built to improve aerodynamics and accessibility, it maintains a clean, integrated profile that works seamlessly with the Trinity’s cockpit. Ideal for both racing and long training rides, the UnderCup BTA is designed to stay secure and steady—even over rough roads or during hard efforts.

Key Features

  • 💨 Aero-Focused Design – Tucks the bottle beneath the arms to reduce frontal drag and streamline your position.

📌 Not seeing an option that fits your setup?
No problem! Simply click here to go to the Custom Design page and fill out the form. We’ll help build a system tailored specifically to your bike.

Arm Cup (or Wedge) Bolt spacing should be 120mm

Stack Height:

The UnderCup BTA Mount is a sleek, stable solution designed specifically for the Giant Trinity Rim Brake. It securely positions your hydration bottle underneath your arm cups (or Cup Wedges), perfect for setups that don’t have a dedicated BTA mount.

Built to improve aerodynamics and accessibility, it maintains a clean, integrated profile that works seamlessly with the Trinity’s cockpit. Ideal for both racing and long training rides, the UnderCup BTA is designed to stay secure and steady—even over rough roads or during hard efforts.

Key Features

  • 💨 Aero-Focused Design – Tucks the bottle beneath the arms to reduce frontal drag and streamline your position.

📌 Not seeing an option that fits your setup?
No problem! Simply click here to go to the Custom Design page and fill out the form. We’ll help build a system tailored specifically to your bike.

Arm Cup (or Wedge) Bolt spacing should be 120mm