Profile Design 43 ASC Aerobar Extensions 400mm Zeitfahrlenker double thick on the black

double thick on the black

Due to the numerous options

52A Extension/Aerobar made of aluminum

not the sit bones) is 55 millimeters wide

Profile Design 43 ASC Aerobar Extensions 400mm Zeitfahrlenker double thick on the blackThe 43 ASC extensions from Profile Design are the next evolutionary step in aero handlebars. Only the clamp and the grip area are round. Everything else is kammtail shaped and therefore more aerodynamic. In addition, the carbon "tubes" disappear completely under the forearm due to the bend, see the competition photo on my Cervlo P5. This works better the steeper you ride the cockpit. These extensions are the closest you can get to custom models, which