RoadPartial spec

2025 Giant Defy Advanced 0

Lists today at $5,200 (2026-09)

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What a used one is worth

Open the value tool

New

$4,056

$2,860 to $4,680

Like new

$3,853

$2,717 to $4,446

Excellent

$3,650

$2,574 to $4,212

Good

$3,042

$2,145 to $3,510

Fair

$2,231

$1,573 to $2,574

For parts

$1,217

$858 to $1,404

From the launch price, aged to 2026 and adjusted for condition. Guidance from our catalog, not an appraisal.

Overview

Brand: Giant
Model family: Defy
Model year: 2025
Category: Road · endurance
Frame material: carbon
Sizes: XS, S, M, M/L, L, XL
Wheel size: 700c
Current list price: $5,200 (as of 2026-09)

Drivetrain

Speeds: 12
Groupset: Shimano 105 Di2
Electronic: true

Build

Fork: Advanced-Grade Composite, full-composite OverDrive steerer, 12x100mm thru-axle, disc
Stem: Giant Contact AeroLight XS:80mm, S:90mm, M:100mm, M/L:100mm, L:110mm, XL:110mm
Tires: Giant Gavia Fondo 1, tubeless, 700x32c (33.5mm), folding
Brakes: Shimano 105 hydraulic, Shimano SM-RT70 rotors [F]160mm, [R]160mm
Saddle: Giant Approach
Wheels: Giant SLR 2 36 Carbon Disc WheelSystem
Cassette: Shimano 105, 12-speed, 11x36
Crankset: Shimano 105, 34/50 XS:170mm, S:170mm, M:172.5mm, M/L:172.5mm, L:175mm, XL:175mm
Seatpost: Giant D-Fuse, composite, 14mm offset
Shifters: Shimano 105 Di2
Handlebar: Giant Contact SL D-Fuse XS:40/42cm, S:40/42cm, M:42/44cm, M/L:42/44cm, L:44/46cm, XL:44/46cm
Rear derailleur: Shimano 105 Di2

Geometry

L: Reach mm: 393; Stack mm: 596; Chainstay mm: 420; Wheelbase mm: 1025; Head angle deg: 72.5; Seat angle deg: 73
M: Reach mm: 380; Stack mm: 558; Chainstay mm: 420; Wheelbase mm: 998; Head angle deg: 72.5; Seat angle deg: 73.5
S: Reach mm: 375; Stack mm: 541; Chainstay mm: 420; Wheelbase mm: 994; Head angle deg: 71.8; Seat angle deg: 74
ML: Reach mm: 384; Stack mm: 577; Chainstay mm: 420; Wheelbase mm: 1010; Head angle deg: 72.5; Seat angle deg: 73
XL: Reach mm: 402; Stack mm: 615; Chainstay mm: 420; Wheelbase mm: 1040; Head angle deg: 72.5; Seat angle deg: 73

Last Giant US MSRP shown on the archived model-year page, observed 2026-09-21; not the launch MSRP (Giant changed this model year's price after launch). Price labels fixed 2026-09-27: moved $5,200 from msrp_usd to list_price_usd (as of 2026-09) and set msrp_usd to null per the Giant model-year price audit.

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