| Brought to you by the world's leading aluminum frame engineers, Defy redefines the performance possibilities of an aluminum road bike. Born in Giant's own in-house aluminum forging facility and engineered with FluidForm ALUXX SL aluminum tubes, Defy blends comfort and control. Frame technologies include the OverDrive steerer tube for stiffness and sharp steering, the D-Fuse seatpost for vibration damping, and a PowerCore oversized bottom bracket area for stiff, efficient power transfer.
*ALUXX-grade butted aluminum frame
*Aluminum fork with alloy OverDrive steerer
*Giant S-R2 rims, Giant Tracker Sport hubs, stainless spokes
*Shimano Claris 2x8-speed shifting
*Tektro rim brakes
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