Profile Design Sonic Ergo 52a Aerobar millennium Front Derailleur- Shimano Ultegra Di2

Front Derailleur- Shimano Ultegra Di2 FD-R8150

ergonomics

helps create an effortless experience so your energy goes into your ride

An integrated chain hook keeps chain from separating while removing or installing master links

The valve works with a simple bite and sip and then seals itself to avoid drips

Profile Design Sonic Ergo 52a Aerobar millennium Front Derailleur- Shimano Ultegra Di2The 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