Giant SKU: 210000170505 Barcode: 4711291106536

Giant Defy Advanced 1 Frost Silver

$3,499.99 $4,400.00 Save $900.01

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Size: MD

Only 1 in stock!

Giant Defy Advanced 1 (2025)

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

Key Performance Factors

  • Functional simplicity: A lightweight frameset that blends reactivity with all-day comfort for modern endurance riding.
  • Engineered compliance: Advanced-grade composite frame/fork plus D-Fuse components reduce shocks and vibration to cut fatigue.
  • Total control: New Contact D-Fuse bar with ergonomic shaping and 8° flare; wide rims optimized for high-volume tubeless tires (up to 38 mm) for predictable handling.

Techs & Features

Links open Giant’s official tech explainers.

Sizing Guide (Rider Height)
  • S: 165–175 cm (5’5”–5’9”)
  • M: 171–181 cm (5’7”–5’11”)
  • ML: 177–187 cm (5’10”–6’2”)
  • L: 183–193 cm (6’0”–6’4”)
  • XL: 189–199 cm (6’2”–6’6”)

Use as a reference; we’re happy to help confirm your best size.

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

Geometry from Giant’s Sizing & Geometry table.

Specifications
Sizes XS, S, M, M/L, L, XL
Colors Frost Silver/Cordovan, Solar Flare
Frame Advanced-Grade Composite, 12x142 mm thru-axle, disc
Fork Advanced-Grade Composite, full-composite OverDrive steerer, 12x100 mm thru-axle, disc
Handlebar Giant Contact SL D-Fuse — XS:40/42 cm, S:40/42 cm, M:42/44 cm, M/L:42/44 cm, L:44/46 cm, XL:44/46 cm
Grips Stratus Lite 3.0
Stem Giant Contact AeroLight — XS:80 mm, S:90 mm, M:100 mm, M/L:100 mm, L:110 mm, XL:110 mm
Seatpost Giant D-Fuse, composite, 14 mm offset
Saddle Giant Approach
Pedals N/A
Shifters Shimano 105 Di2
Front Derailleur Shimano 105 Di2
Rear Derailleur Shimano 105 Di2
Brakes Shimano 105 Di2 hydraulic, Giant MPH rotors [F]160 mm / [R]160 mm
Brake Levers Shimano 105 Di2
Cassette Shimano 105, 12-speed, 11×36
Chain KMC X12L-1
Crankset Shimano 105, 34/50 — XS:170 mm, S:170 mm, M:172.5 mm, M/L:172.5 mm, L:175 mm, XL:175 mm
Bottom Bracket Shimano, press fit
Rims Giant P-R2 Disc wheelset, alloy, [F]25 mm / [R]25 mm
Hubs Giant alloy, 12 mm thru-axle
Spokes Sapim
Tires Giant Gavia Fondo 1, tubeless, 700×32c (33.5 mm), folding
Extras Fender mounts; water bottle cages; tubeless prepared; 38 mm max tire size
Max Tire Clearance 40 mm
Weight 8.67 kg (19 lb 03 oz) — Size ML

Specs subject to change by the manufacturer.

Questions or fit help? Stop by our Boulder shops or contact us—we’ll get you dialed.