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2016 Giant

Defy 1 Disc

An aluminum frame endurance bike with upper mid-range components and trp mechanical disc brakes.

Manufacturer Price

$1,500
FrameAluminum
ForkCarbon
Wheels700c Aluminum
Drivetrain2 × 11
Groupset105, Tiagra
BrakesTRP Mechanical Disc
Where to Buy
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
Terrain
smoothrugged
Defy 1 Disc
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 1 Disc

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 advanced features like the D-Fuse seatpost for vibration damping make it a standout in its category. While it excels in comfort and handling, some reviews note limitations in component quality and efficiency over extended power applications.

Pros
  • Lightweight endurance frame

  • Excellent power transfer and stiffness

  • Advanced vibration damping with D-Fuse seatpost

  • Smooth ride quality comparable to higher-priced bikes

  • Versatile performance suitable for a wide range of riders

Cons
  • Some lower-end components may limit performance

  • Efficiency can wane during extended power applications

  • Occasional handling quirks in corners

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
The ride quality is on a par with carbon bikes costing three times the Giant’s £649 asking price.
Cyclist logoCyclist
Smooth, fast, classy and comfortable, the Advanced Pro 3 will go long and stop short.
BikeRadar logoBikeRadar

Feedback?

View all reviews

VeloNews
Giant Defy Advanced Pro 0

Mar 2017 · William Tracy

With the Defy Advanced Pro 0, Giant targets riders who enjoy all-day rides on challenging terrain.

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

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

Apr 2015 · The Editors of Bicycling

The start of something beautiful

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

ColorBlue / Black/white

Fork

Composite, with 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

N/A

Groupset
Rear Derailleur

Shimano 105

Front Derailleur

Shimano 105

Crank

Shimano RS500, 34/50

Shifters

Shimano 105

Cassette

Shimano 105 11x32, 11-speed

Chain

KMC X11L

Brakes

TRP Spyre-C, Mechanical disc, 160mm

TypeTRP Mechanical Disc

Brake Levers

Shimano 105

Wheels
Rims

Giant PR-2 Disc

Spokes

Sapim Race, 14/15g

Front Hub

Giant Performance Tracker Road Disc, Sealed bearing, 28h

Rear Hub

Giant Performance Tracker Road Disc, Sealed bearing, 28h

Tires

Giant P-SL 1, 700x25, Front and rear specific, Folding

Rider Notes
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First added July 8

Last updated July 8

Not listed for 3,247 days