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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.

Modified Monocoque Construction

Similar to Monocoque technology, but Modified Monocoque eliminates the outermost woven composite sheet (found on heavier framesets) to reduce weight without affecting ride quality, strength or stiffness.

PowerCore

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

Megadrive

A massive rectangular downtube and oversized toptube work in unison to provide superior front-end lateral and torsional steering precision. The precisely engineered, rectangular shaped downtube yields unprecedented pedalling stiffness.

Vector Seatpost

This full-composite, lightweight and highly aerodynamic seatpost is engineered specifically for the unyielding demands of the performance-minded road rider. Increased fore/aft stiffness provides maximum energy transmission, improved aerodynamics (compared to a traditional round seatpost) and two offset options (-5 to +25mm).

Computer Tuned

To minimise weight, Giant engineers use FEA (Finite Element Analysis) to develop a strategic layup
schedule of Uni-Directional and woven composite. This ensures the precise amount of composite material where a frame requires it and minimises excess material where the structure doesn’t.

Ridesense Ready

Frame comes prepared to accept the Giant RideSense sensor and accompanying hardware.

2014 Giant Defy Composite 2

Model year 2014

£1299

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Overview

It's simple: the more comfortable you are in the saddle, the better you can perform. Climb, descend, sprint - all day long.

With its longer wheelbase and slightly taller headtube for endurance positioning, Defy Composite gives you a lightweight, smooth riding feel that makes the road disappear. Crafted from Giant’s Composite frame material, it features innovative technologies including the PowerCore bottom bracket and OverDrive headtube for stiff pedalling efficiency and razor-sharp handling. The frame is also RideSense-ready, for use with Giant’s wireless ANT+ data device.

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Features

KEY UPGRADES (OVER DEFY COMPOSITE 3):
- Shimano 105 10-speed drivetrain
- Giant Vector Composite seatpost

Technologies

Specifications

Frame

SizesS, M, M/L, L, XL
ColoursDark Grey
FrameGiant Composite Technology
ForkComposite-Grade Composite, Full-Composite OverDrive Steerer
Shock N / A

Components

HandlebarGiant Connect
StemGiant Connect
SeatpostGiant Vector Composite
SaddleGiant Performance Road
PedalsNot included

Drivetrain

ShiftersShimano 105 20 speed
Front DerailleurShimano 105
Rear DerailleurShimano 105
BrakesShimano BR561
Brake LeversShimano 105
CassetteShimano Tiagra 12-30
ChainKMC X10SL
CranksetShimano 565 34/50
Bottom BracketShimano Press Fit

Wheels

RimsGiant P-Elite C Wheelset
HubsGiant P-Elite C Wheelset
SpokesGiant P-Elite C Wheelset
TyresGiant P-R3, Flat Guard, Front and Rear Specific, 700x25mm

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
DegreesDegreesCentimeter
XS/43.071.074.051.512.542.098.373.7
S/46.572.074.053.014.542.099.075.4
M/50.072.573.554.516.542.099.577.7
M/L/53.572.573.056.018.542.0100.779.0
L/55.572.573.057.520.542.0102.281.3
XL/58.572.572.559.522.542.0103.783.3

'Every effort has been made to ensure accuracy throughout this website. However, Giant reserves the right to change bike specifications, features, prices and colours without prior notice.'