VelopediaBicycle Archive ยท Specification report

2009 Giant Defy Alliance 1

Velopedia Archive ID 16707

Overview

Model year2009
BrandGiant
ModelDefy Alliance 1
Bicycle typeRoad race & triathlon
Archive ID16707
Original MSRP$1,725.00
ColorsBlue/Composite/Smoke
SizesXsmall, small, medium, large, xlarge

Frameset

Frame constructionTIG-welded/Monocoque
Frame materialGiant Alliance Composite/AL
ForkGiant Advanced composite
Fork materialCarbon fiber/aluminum steerer, aero crown
Rear shockN/A

Drivetrain

Component groupShimano 105
ShiftersShimano 105 STI
Front derailleurShimano 105
Rear derailleurShimano 105
CranksetFSA Gossamer Mega Exo Compact, 34/50 teeth
Bottom bracketFSA Mega EXO
CassetteShimano 105
Rear cogs10-speed, 12 - 27 teeth
ChainShimano 105
PedalsCrank Brothers Smarty

Brakes

BrakesTektro R530 brakes, Shimano 105 STI levers

Cockpit & contact points

Headset1 1/4"-1 1/8" threadless
HandlebarAL anatomic bend
Handlebar extensionsNot included
StemGiant alloy 31.8mm
SaddleGiant Performance Road
SeatpostGiant Composite, 27.2mm diameter

Wheels & tires

HubsFormula sealed
RimsMavic CXP 22, 24-hole/28-hole
SpokesSapim Race, 14/15ga. (2.0/1.8mm) butted
Front tire700 x 25c Michelin Speedium 2
Wheel size700c wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 29, 2026.