Profile Design Sonic Ergo 52a Aerobar Helmets Easy connection (SM-CN910-12)

Easy connection (SM-CN910-12)

there is no limit to what you and the Fourstroke LT can achieve

The hubs use Ritchey’s offset flanges to improve spoke bracing angle and keep them from rubbing against each other

Get the most out of your intense workouts by training on realistically simulated inclines up to a 25% gradient

and low temps

Profile Design Sonic Ergo 52a Aerobar Helmets Easy connection (SM-CN910-12)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