Bicycle Archive · Specification report

2009 Giant Aeryn Alliance

Velopedia Archive ID 16759

Overview

Model year	2009
Brand	Giant
Model	Aeryn Alliance
Bicycle type	Road race & triathlon
Archive ID	16759
Original MSRP	$2,250.00
Colors	White/Electric Blue
Sizes	Womens xsmall, womens small, womens medium

Frameset

Frame construction	TIG-welded/Monocoque
Frame material	Giant Alliance Composite/AL
Fork	Giant Advanced composite
Fork material	Carbon fiber/aluminum steerer, aero crown
Rear shock	N/A

Drivetrain

Component group	Triathlon Mix
Shifters	Shimano Dura-Ace Bar End
Front derailleur	Shimano 105
Rear derailleur	Shimano Ultegra
Crankset	Race Face Cadence TRI, 39/53 teeth
Bottom bracket	Race Face X-Type
Cassette	Shimano 105
Rear cogs	10-speed, 11 - 23 teeth
Chain	Shimano 105
Pedals	Not included

Brakes

Brakes	Shimano 105 Dual Pivot brakes, Tektro RX 4.1 levers

Cockpit & contact points

Headset	1 1/8"
Handlebar	Vision Tech Trimax alloy
Handlebar extensions	Vision Tech Trimax
Stem	Vision Size More
Saddle	Fi'zi:k Vitesse Tri w/mag rails
Seatpost	Giant Composite Aero, aero diameter

Wheels & tires

Hubs	Formula sealed
Rims	Alloy Aero 42mm, 16-hole/20-hole
Spokes	Sapim Race, 15/14ga. (1.8/2.0mm) butted
Front tire	700 x 23c Michelin Pro Race3
Wheel size	700c wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 1, 2026.