Profile Design Sonic Ergo 52a Aerobar Momsen Smarthead fits both Presta &

Smarthead fits both Presta & Schrader valves

Dual low-profile BOA® Li2 dial allows precise micro-adjustment

instead of against the rider's head

LOOK constant desire to innovate and improve your product experience has resulted in a design that is dependable

Profile Design Sonic Ergo 52a Aerobar Momsen Smarthead fits both Presta &The 52a extensions have a 52 for the grip. The rider can choose whether to hold high for the shrugged position or low for a more open, head up position The Sonic Ergo is designed to present minimal frontal area to create as little aerodynamic drag as possible. The main purpose of an aerobar is, of course, to get the rider into a fast position despite a fairly minimalist appearance the Sonic Ergo offers a comprehensive fit range for exactly this