Wahoo ELEMNT GPS Computer Aerobar/TT Mount Description: The Wahoo Aerobar/TT Mount is made of a lightweight, durable plastic giving riders an ideal viewing position of their ELEMNT computer when tucked in the aero position. Featuring a 22.2mm dimension for fitting round aero extensions with easy to install mounting hardware. Keep an eye on important data, all at a quick glance. Note: BOLT computer loses aerodynamic advantage with this mount. Features: Lightweight design with improved viewing while using aerobars Fits 22.2mm aero bar extensions Stable and secure mount with included mounting hardware Weights a minimal 9g