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2015 Giant

Defy 1

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

1425 US$(1225 €)
FrameAluminum
ForkCarbon
Wheels700c Aluminum
Drivetrain2 × 11
Groupset105
BrakesTektro Rim
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
Terrain
smoothrugged
Defy 1
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)

63 km/h

Defy 1

62 km/h

Similar Bikes

Highest gear

(descending)

Sizing
XS

155cm – 168cm

SM

163cm – 174cm

MD

170cm – 181cm

MD/LG

175cm – 187cm

LG

181cm – 193cm

XL

188cm – 200cm

🐐 Estimated

Rider Fit Notes
  • 187cm, size 57 (L), Just right
  • 180cm, 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

Cyclist
Giant Defy 3 review

sept 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

Road Bike Action
BIKE TEST: Giant Defy Advanced SL 0

nov 2015 · R BA

A bona fide endurance road super bike

Read Review

BikeRadar
Giant Defy 1 Disc review

jul 2015 · David Rome

Combining the features we previously loved in the Defy with the confidence of disc brakes, the Defy 1 Disc is an exceptional ride for the money and made all the better with versatile gearing and rack mounts

Read Review

Bicycling
Giant Defy 3

abr 2015 · The Editors of Bicycling

The start of something beautiful

Read Review

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

abr 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

Geometry
Specs
Build
Frame

ALUXX SL-grade aluminum

BB StandardBB86/BB92, Press Fit

ColorBlack / White/blue

Fork

Composite, Alloy OverDrive steerer

Shock

N/A

Bottom Bracket

Shimano, Press Fit

Stem

Giant Sport

Handlebar

Giant Connect, 31.8mm

Saddle

Giant Performance Road

Seatpost

Giant D-Fuse, Composite

TypeRigid

Pedals

Caged w/ toe clip and strap

Groupset
Rear Derailleur

Shimano 105

Front Derailleur

Shimano 105

Crank

FSA Gossamer Pro, 34/50

Shifters

Shimano 105

Cassette

Shimano 105 11x32, 11-speed

Chain

KMC X11L

Brakes

Tektro R540

TypeTektro Rim

Brake Levers

Shimano 105

Wheels
Rims

Giant P-R2

Spokes

Sapim Race, 14/15g

Front Hub

Giant Performance Tracker Road, Sealed bearing, [F] 24h, [R] 28h

Rear Hub

Giant Performance Tracker Road, Sealed bearing, [F] 24h, [R] 28h

Tires

Giant P-R3, Flat Guard Deflect 3, Front and rear specific, 700x25

Rider Notes
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First added 8 de julio

Last updated 8 de julio

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