Base bar suitable for all clip on aerobars double butted 6061 t6 aluminium construction for low weight and maximum strength constant 26 mm diameter allows clip on aerobars to be spaced anywhere along the base bar for the perfect position enables the widest possible aerobar mounting currently available internal cable routing for aerodynamic efficiency matt black shot peened finish use the base bar with any profile design clip on aerobar for the most adjustable set up possible