Ultimate Sports Engineering (USE) was founded in 1990 and is renowned for the suspension seatpost (winning Olympic gold, King of the Mountains at the Tour De France) USE is based in Bury, nestled in the heart of the South Downs National Park.
USE Aero aluminium extensions are compatible with our TULA bars and Boost bars, O/D is 22.2mm with an anodised
finish, and slots for the shifter cables.