Giant

Defy

The latest Defy, now in its fifth generation, enhances the beloved qualities riders cherish—plentiful compliance and lightweight efficiency. It emerges lighter, smoother, and more efficient, making it the ideal partner for enduring sportives, ambitious gran fondos, or conquering challenging roads on an epic solo adventure.

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Features

Functional Simplicity

Functional Simplicity

Free of cumbersome gimmickry, the frameset is one of the lightest in its category. With a perfect balance of high-performance reactivity and all-day comfort, it offers a “less is more” experience for modern endurance road riding.

Functional Simplicity

Functional Simplicity

Advanced-grade composite frame and fork are specifically engineered for endurance road riding, delivering a smooth and efficient ride quality that minimizes fatigue on long rides. The new D-Fuse components work together to further absorb road shocks and vibrations.

Total Control

Total Control

The D-Fuse handlebar features ergonomic shaping and an 8-degree flare for comfort and control on all-day rides. Wider rims across all series are optimized for high-volume tubeless tires (up to 38mm), providing predictable handling and stability from asphalt to cobbles.

Geometry

XS S M ML L XL
A Reach 369 375 380 384 393 402
B Stack 527 541 558 577 596 615
C Head Tube Angle 70.5° 71.8° 72.5° 72.5° 72.5° 72.5°
D Bottom Bracket Drop 75 75 75 70 70 70
E Wheelbase 995 994 998 1010 1025 1040
F Chainstay Length 420 420 420 420 420 420
G Head Tube Length 120 140 150 175 195 215
H Top Tube Length 515 530 545 560 575 595
I Seat Tube Angle 74.5° 74.0° 73.5° 73.0° 73.0° 73.0°
J Standover Height 705 733 762 796 814 841
All measurements in degrees or millimetres

Sizing Guide

The sizing chart is a great place to start when picking your next bike but everyone will fit a bike a bit differently. Your torso, arm, and leg lengths all play into what size of bike you may need. Plus, there's your own personal preference.

We always recommend swinging by the shop and taking the bike that you're looking for a spin to see how it feels. If you're unable to come by, looking at the geometry of your current bike and comparing it is a good place to start. If you have any further questions, our customer service team is there to help.

Start a chat with our team
Size Height
Imperial Metric
XS 5'2" - 5'7" 157 - 169cm
S 5'5" - 5'9" 165 - 175cm
M 5'7" - 5'11" 171 - 181cm
ML 5'10" - 6'2" 177 - 187cm
L 6'0" - 6'4" 183 - 193cm
XL 6'2" - 6'6" 189 - 199cm

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