Thomsons road bar features a mild wing shape on top clamping area wide enough for aero bars mid compact reach and drop this is the modern bar for the modern road bike monococque construction for safety and comfort thomsons road bar wing section is small enough not to restrict hand movement when riding on the top and allows bar angle adjustment with out locking out your wrists shaping on the bottom side of the wing allows housing to be taped out of the way without the use of narrow housin