Giant Defy Advanced 1 2025

Giant Defy Advanced 1 2025

R 74,990.00

With effortless efficiency and quiet compliance, this lightweight endurance road machine helps you ride stronger and longer. The composite frame and purpose-built components smooth out rough roads and minimize fatigue.

Key Performance Factors

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.

Engineered compliance

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

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


    S M ML L XL
A Seat Tube Length (mm) 445 480 515 535 565
B Seat Tube Angle 74.0° 73.5° 73.0° 73.0° 73.0°
C Top Tube Length (mm) 530 545 560 575 595
D Head Tube Length (mm) 140 150 175 195 215
E Head Tube Angle 71.8° 72.5° 72.5° 72.5° 72.5°
F Fork Rake (mm) 50 50 50 50 50
G Trail (mm) 63.4 58.6 58.6 58.6 58.6
H Wheelbase (mm) 994 998 1010 1025 1040
I Chain Stay Length (mm) 420 420 420 420 420
J Bottom Bracket Drop (mm) 75 75 70 70 70
K Stack (mm) 541 558 577 596 615
L Reach (mm) 375 380 384 393 402
M Stand Over Height (mm) 733 762 796 814 841
N Handlebar Width (mm) 400 420 420 440 440
O Stem Length (mm) 90 100 100 110 110
P Crank Length (mm) 170 172.5 172.5 175 175
Q Wheel Size 700C 700C 700C 700C 700C
  • SPECS

SizesXS, S, M, M/L, L, XL
ColorsFrost Silver/Cordovan, Solar Flare
FrameAdvanced-Grade Composite, 12x142mm thru-axle, disc
ForkAdvanced-Grade Composite, full-composite OverDrive steerer, 12x100mm thru-axle, disc
HandlebarGiant Contact SL D-Fuse XS:40/42cm, S:40/42cm, M:42/44cm, M/L:42/44cm, L:44/46cm, XL:44/46cm
GripsStratus Lite 3.0
StemGiant Contact AeroLight XS:80mm, S:90mm, M:100mm, M/L:100mm, L:110mm, XL:110mm
SeatpostGiant D-Fuse, composite, 14mm offset
SaddleGiant Approach
PedalsN/A
ShiftersShimano 105 Di2
Front DerailleurShimano 105 Di2
Rear DerailleurShimano 105 Di2
BrakesShimano 105 Di2 hydraulic, Giant MPH rotors [F]160mm, [R]160mm
Brake LeversShimano 105 Di2
CassetteShimano 105, 12-speed, 11x36
ChainKMC X12L-1
CranksetShimano 105, 34/50 XS:170mm, S:170mm, M:172.5mm, M/L:172.5mm, L:175mm, XL:175mm
Bottom BracketShimano, press fit
RimsGiant P-R2 Disc wheelset, alloy, [F]25mm, [R]25mm
HubsGiant alloy, 12mm thru-axle
SpokesSapim
TiresGiant Gavia Fondo 1, tubeless, 700x32c (33.5mm), folding
Extrasfender mount, water bottle cages, tubeless prepared, 38mm max tire size
Weight8.67kg (19lb 03oz) - Size (ML)

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