Sonic/Ergo/52a Aerobar Bottom Bracket Single Speed chain with PowerLock

Single Speed chain with PowerLock 1S Connector

Featherlight & Functional—Robust polyester shell creates a lightweight

9” x 2” / 99mm x 51mm

Plies: 5W

Sonic/Ergo/52a Aerobar Bottom Bracket Single Speed chain with PowerLockThe 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 optimizing their position for both speed and comfort. The 52A is one of the newest versions of our reliable aluminum extension range. Performance The Sonic Ergo is designed to present minimal frontal area to create as little aerodynamic drag as possible.