Aero3_d Universal Dual BTA Mount
đŽ Dual Bottle BTA Mount â Aero Gains + Hydration Solution
 This BTA solution uses a 7mm plate that is clamped down with the arm pads, it adds 7mm och stack. See drawing for measurments. Stay faster, ride longer, and stay hydrated with this 3D-printed BTA (Between-The-Arms) Mount, designed for triathletes and time trialists who want every watt to count. Tested to be faster with the Aerosensor system by up to 11w then no bottle between the arms. Ridden by Robert Kallin to fastest bike splits all over the world!
 âïž Aerodynamic Advantage â Engineered with aero positioning in mind, this mount keeps bottles tucked neatly between your arms, reducing drag while keeping hydration within easy reach.
âïž Dual Bottle Setup â Carry two bottles up front for maximum hydration on long efforts without sacrificing speed. Perfect for Ironman, long-course triathlon, or extended training rides.
âïž Durable & Lightweight â Made from Nylon filament via 3D printing, this mount is built to handle the demands of racing while staying feather-light.
âïž Easy Installation â Compatible with most aerobars, the mount attaches securely without fuss, giving you a pro-level setup in minutes. Why settle for one bottle when you can have aero gains AND extra hydration?
đ Whether youâre chasing a PR, racing Kona, or just want smarter hydration on your long rides, this BTA mount is designed to give you the edge.
âš Handmade. Performance-focused. Race-ready.
đŠ What you receive:
1x Base Plate
1x Tower with choosen heigth and angleÂ
Complete stainless steel screws (NOTE, you might need longer screws for the pads)