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2015 Giant

Defy 3

An aluminum frame endurance bike with mid-range components and tektro rim brakes.
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Manufacturer Price

$970
FrameAluminum
ForkCarbon
Wheels700c Aluminum
Drivetrain2 × 9
GroupsetSora
BrakesTektro Rim
Where to Buy
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
Terrain
smoothrugged
Defy 3
Other Endurance bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

39 mph

Defy 3

39 mph

Similar Bikes

Highest gear

(descending)

Sizing
XS

5'1" – 5'7"

SM

5'4" – 5'9"

MD

5'6" – 6'0"

MD/LG

5'8" – 6'2"

LG

5'11" – 6'4"

XL

6'2" – 6'7"

🐐 Estimated

Rider Fit Notes
  • 6'2", size 57 (L), Just right
  • 5'11", size LG, Too large
Reviews

Summary

The Giant Defy is celebrated as a versatile endurance bike that combines comfort with performance, offering a smooth ride quality that rivals more expensive carbon bikes. Its lightweight frame, efficient power transfer, and comfortable geometry make it suitable for long rides, while the D-Fuse seatpost and carbon fork enhance vibration damping. Despite some limitations in component quality and weight, the Defy is praised for its value, handling, and all-round capabilities.

Pros
  • Lightweight and efficient frame

  • Comfortable geometry and vibration damping

  • Good value for money

  • Versatile for long rides and varied terrain

  • Stable and responsive handling

Cons
  • Some lower-end components may limit performance

  • Heavier than some competitors

  • Limited aftermarket options for proprietary parts

Key Quotes
The ride makes you forget that this isn’t an expensive bike.
Bicycling
The endurance bike is still a performance machine.
Canadian Cycling Magazine logoCanadian Cycling Magazine
It’s a very enjoyable bike to ride, combining the chance for thrills with an underlying security.
Cycling Weekly logoCycling Weekly

Feedback?

View all reviews

BikeRadar
Giant Defy Advanced Pro 3 review

Nov 2016 · Robin Wilmott

Smooth, fast, classy and comfortable, the Advanced Pro 3 will go long and stop short. Buy if you want a deceptively fast all-day mile-eater that’s ready to go

Highs
  • Great frameset, handling, fine brakes

Lows
  • Grippy tyres wear quite fast

Read Review

Cyclist
Giant Defy 3 review

Sep 2016 · Marc Abbott

Taiwanese behemoth’s smooth operator

Read Review

Gran Fondo Magazine
Giant Defy Advanced Pro 0 Review

Jul 2016 · Thomas Seidelmann, Robin Schmitt

How much technology do endurance bikes really need? The Giant Defy Advanced Pro 0 didn’t just throw up a host of fundamental questions...

Read Review

Bicycling
Giant Defy 3

Apr 2015 · The Editors of Bicycling

The start of something beautiful

Read Review

Velo
Pro Bike Gallery: John Degenkolb’s Giant Defy Advanced SL

Apr 2015 · VeloNews.com

John Degenkolb rides Giant's TCR road bike for the bergs and cobbles of Flanders

Read Review

road.cc
Giant Defy Advanced SL road bike

Nov 2014 · David Arthur @davearthur

Stunning performance, fabulously comfortable and responsive ride with superb disc brakes

Read Review

Cycling Weekly
Giant Defy 3

Nov 2014 · Matt Lamy

Giant has a distinguished place in the history of aluminium road bikes, but can the Defy 3 live up to its provenance?

Highs
  • Good quality ride

  • Lifetime frame warranty

  • 11-32t Cassette

Lows
  • Own-brand wheels

Read Review

Canadian Cycling Magazine
First look: 2015 Giant Defy Advanced SL 0

Oct 2014 · Matthew Pioro

The debut of the 2015 Giant Defy Advanced SL 0 in the Scottish Highlands.

Read Review

Geometry
Specs
Build
Frame

ALUXX-grade aluminum

ColorsBlack / Red/silver; Blue / White/green

Fork

Composite, Alloy OverDrive steerer

Shock

N/A

Bottom Bracket

Sealed

Stem

Giant Sport

Handlebar

Giant Connect, 31.8mm

Saddle

Giant Performance Road

Seatpost

Giant Sport, 30.9mm

TypeRigid

Pedals

Caged w/ toe clip and strap

Groupset
Rear Derailleur

Shimano Sora

Front Derailleur

Shimano Sora

Crank

Shimano Sora, 34/50

Shifters

Shimano Sora

Cassette

SRAM PG950 11x32, 9-speed

Chain

KMC X9

Brakes

Tektro R312

TypeTektro Rim

Brake Levers

Shimano Sora

Wheels
Rims

Giant S-R2

Spokes

Stainless Steel, 14g

Front Hub

Giant Tracker Sport Road, 26h

Rear Hub

Giant Tracker Sport Road, 26h

Tires

Giant S-R4, Front and rear specific, 700x25

Rider Notes
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First added July 8

Last updated July 8

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