Brought to you by the worlds leading aluminum frame engineers, Defy redefines the performance possibilities of an entry-level road bike. Born in Giant’s own in-house aluminum forging facility and engineered with FluidForm ALUXX SL aluminum tubes, it climbs, corners and sprints better than many bikes that cost thousands more. Frame technologies include the OverDrive steerer tube for stiffness and sharp steering and PowerCore oversized bottom bracket area for stiff, efficient power transfer.