Profile Design - Sonic Ergo 52a Stock Item:PROFILE SONIC / ERGO / 52a AEROBAR Fits most chain and seat

Fits most chain and seat stays without cutting

Ultra slim design to fit almost every frame

Kit includes 3 inserts

They are drilled for rear-exit cable routing

ASB Anti-Snake Bite Chafer

Profile Design - Sonic Ergo 52a Stock Item:PROFILE SONIC / ERGO / 52a AEROBAR Fits most chain and seatPROFILE DESIGN SONIC ERGO 52A REPLACES THE 50a The Sonic bracket offers an extensive fit range, low weight and easy adjustment along with minimal frontal area. Combining this with the Ergo armrest creates an aerobar that will aid most riders in optimising their position for both speed and comfort. The 52A is one of the newest versions of our reliable aluminium extension range. Performance The Sonic Ergo is designed to present minimal frontal area to