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OverDrive

Giant’s original oversized fork steerer tube technology. Designed to provide solid front-end steering performance, the system’s oversized headset bearings and tapered steerer tube work in conjunction to provide optimal steering stiffness.

PowerCore

A massively oversized bottom-bracket/chainstay area features a fully integrated, 86-millimeter-wide bottom-bracket design. Asymmetric chainstays provide additional stiffness on the driveside and stability on the non-driveside.

FluidForm

Raw ALUXX SL tubesets are further refined through a complex series of processes that provide strength (extrusion), weight reduction (butting) and shape (forming). Two key Giant technologies—FluidForming and press forming work together to eliminate gussets, improve stiffness and minimize any extra weight.

Gusset-Free Design

Most of Giant’s competitors use old-fashioned gussets, additional pieces of material that are welded to the outside of a tube junction to provide additional support. Giant pioneered and perfected the use of radically shaped tubesets that provide all the strength and stability of gusseted tubes without added material and welds.

ALUXX SL Aluminum

Formed from raw materials in Giant’s own forging facility, this proprietary alloy features 30 percent additional stiffness over traditional 6061-series aluminum. The increased stiffness allows engineers to use less material throughout the tubes, which results in lighter frames that never sacrifice strength or durability.

Defy 1

Model year 2013

$1,350

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Overview

ALUMINUM ENGINEERING AT ITS VERY BEST. LIGHT, LIVELY AND PERFECTLY BALANCED BETWEEN PERFORMANCE AND COMFORT.

Brought to you by the world’s leading aluminum frame engineers, Defy redefines the performance possibilities of an entry-level road bike. Made from premium lightweight aluminum tubes and produced in Giant’s own forging facility, it climbs, corners and sprints better than bikes costing thousands more.

Related Models

See matching Women's model

 

Features

Key Upgrades (over Defy 2)

  • ALUXX SL-Grade Aluminum Frame
  • Shimano 105 10-speed shifters and derailleurs
  • Giant Connect composite seatpost
  • Giant P-R2 double wall rims, sealed bearing hubs, DT Swiss Competition butted spokes wheelset
  • Sizes: XS, S, M, M/L, L, XL
  • Colors: White/Black/Red

Technologies

ALUXX

PERFORMANCE GRADE

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ALUXX

PERFORMANCE GRADE

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Specifications

Frame

SizesXS, S, M, M/L, L, XL
ColorsWhite/Black/Red
FrameALUXX SL-Grade Aluminum
ForkAdvanced-Grade Composite, Alloy OverDrive Steerer
Shock N/A

Components

HandlebarGiant Connect, 31.8
StemGiant Connect
Seatpost Giant Connect Composite, 30.9
Saddle Giant Performance Road, Men's
PedalsN/A

Drivetrain

ShiftersShimano 105
Front DerailleurShimano 105
Rear DerailleurShimano 105
BrakesTektro TK-R540 Giant Specific, Dual Pivot
Brake LeversShimano 105
CassetteShimano Tiagra 12x28, 10-Speed
ChainKMC X10
CranksetShimano R565, 34/50
Bottom BracketShimano, Press Fit

Wheels

RimsGiant P-R2, Double Wall
HubsGiant Sealed Bearing, 24/28h
SpokesDT Swiss Competition, 14/15g
TiresGiant P-R3, 700x23, Flat Guard, Front and Rear Specific

Other

WeightThe most accurate way to determine any bike’s weight is to have your local dealer weigh it for you. Many brands strive to list the lowest possible weight, but in reality weight can vary based on size, finish, hardware and accessories. All Giant bikes are designed for best-in-class weight and ride quality.

Geometry

SizeHead AngleSeat AngleTop TubeHead TubeChain StayWheel BaseStandover Height
CentimetersDegreesDegreesCentimetersCentimetersCentimetersCentimetersInches
XS/43.071.074.051.512.542.098.329.0
S/46.572.074.053.014.542.099.029.7
M/50.072.573.554.516.542.099.530.6
M/L53.572.573.056.018.542.0100.731.1
L/55.572.573.057.520.542.0102.232.0
XL/58.572.572.559.522.542.0103.732.8

All specifications and prices listed are subject to change without notice.