Giant Defy Advanced 1 2025 bike details 02
Giant Defy Advanced 1 2025 bike details 03
Giant Defy Advanced 1 2025 bike details 04
Giant Defy Advanced 1 2025 bike details 05
Giant Defy Advanced 1 2025 bike details 01

Summary

The Giant Giant Defy Advanced 1, a Road bike released in 2025, priced at £3199. It weighs approximately 8.7kg, balancing performance and efficiency. It features a frame made of Carbon Fiber and a fork constructed from Carbon Fiber. The bike is equipped with a Shimano 105 Di2 groupset (Electric Shifting: Yes). It uses Disc Brake braking for confident stopping power. Rolling on a Giant P-R2 Disc wheelset, alloy, [F]25mm, [R]25mm wheelset, it features a Shimano, press fit bottom bracket for drivetrain efficiency. It uses Semi Routed cable routing for a cleaner look and improved aerodynamics. It supports tires up to 40 mm, offering flexibility for comfort or off-road use. It comes with a lifetime warranty. Curious how it stacks up against similar bikes? Compare below...

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Quick Compare Giant Defy Advanced 1 to:

Bike Info

Worldwide Shipping: Yes

Delivery across the globe!

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Warranty: Lifetime

Limited warranty website average: 3.12 years

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Released: 2025

The bike was released this year

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Bike Type: Road

The style of riding intended for this bike

Bike Spec

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Weight: 8.7 kg

The website average for Road bikes is 8.57 kg. This bike is 0.12 kg over the average. Total bike weight may vary depending on frame size.

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Groupset

Shimano 105 Di2

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Wheelset

Giant P-R2 Disc wheelset, alloy, [F]25mm, [R]25mm

Disc Brake

Brake Type: Disc Brake

Welcome to the future!

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Frameset Material

Carbon Fiber

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Max Tire Size: 40 mm

This is the max tire size you can use

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UCI Approved: Unknown

You can't use for official races

Sizing & Geometry

Frame Sizes

S M M/L L XL

This frame comes in 5 sizes, this is 0.55 less sizes than the website average.

Handebar Sizes Available

40 42 44

Crank Arm Sizes Available

170 172.5 175

Frame Details

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Frame Weight

Unknown

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Frame Material

Carbon Fiber

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Forks

Advanced-Grade Composite, 12x142mm thru-axle, disc

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Fork Material

The forks are made from Carbon Fiber

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Cables: Semi Routed

Routed through the frame, not the bars

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Axel Type: Thru-axle

How the wheels are secured to the frame

Disc Brake

Brake Type: Disc Brake

Welcome to the future!

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Brake Mount: Flat Mount

How the calipers are mounted

No

Integrated bar and stem: No

You can use any bar and stem

Drivechain Details

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Groupset name

Shimano 105 Di2

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Electric Groupset: Yes

This bike has electric gears

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Shifters

Shimano 105 Di2

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Front Derailleur

Shimano 105 Di2

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Rear Derailleur

Shimano 105 Di2

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Cassette

Shimano 105, 12-speed, 11x36

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Cranks

Shimano 105, 34/50 XS:170mm, S:170mm, M:172.5mm, M/L:172.5mm, L:175mm, XL:175mm

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Power Meter: No

This bike doesn't have a power meter

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Bottom Bracket

Shimano, press fit

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Chain

KMC X12L-1

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Battery

Unknown

Wheel & Tire Details

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Wheelset Name

Giant P-R2 Disc wheelset, alloy, [F]25mm, [R]25mm

Front Wheel Depth Icon

Front Wheel Depth

25mm

Rear Wheel Depth Icon

Rear Wheel Depth

25mm

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Tires

Giant Gavia Fondo 1, tubeless, 700x32c (33.5mm), folding

Tire Type Icon

Tire Type

Tubeless

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Max Tire Size: 40 mm

This is the max tire size you can use

Brakes

Disc Brake

Brake Type: Disc Brake

Welcome to the future!

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Brake Mount: Flat Mount

How these disc brakes are mounted

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Brakes

Shimano 105 Di2 hydraulic, Giant MPH rotors [F]160mm, [R]160mm

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Brake Rotors

Giant MPH rotors [F]160mm, [R]160mm

Other Components

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Saddle

Giant Approach

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Seatpost

Giant D-Fuse, composite, 14mm offsetType: Rigid

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Handlebars

Giant Contact SL D-Fuse XS:40/42cm, S:40/42cm, M:42/44cm, M/L:42/44cm, L:44/46cm, XL:44/46cm

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Bar Tape

Stratus Lite 3.0

Manufactures Description

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 MINIMISE 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 m ... Read More