Bicycle Archive · Specification report

2009 GT Marathon Carbon Pro

Velopedia Archive ID 18628

Overview

Model year	2009
Brand	GT
Model	Marathon Carbon Pro
Bicycle type	Mountain bike, front & rear suspension
Archive ID	18628
Original MSRP	$4,299.99
Colors	Black/White
Sizes	Small, medium, large, xlarge

Frameset

Frame construction	Monocoque
Frame material	GT I-Drive 4 carbon fiber
Fork	Fox 32 RL, 120mm travel
Fork material	Magnesium/aluminum, single crown
Rear shock	Fox Float RP23, 4" travel

Drivetrain

Component group	Shimano XT
Shifters	Shimano XT Rapid Fire
Front derailleur	Shimano XT
Rear derailleur	Shimano XT Shadow
Crankset	Shimano XT
Bottom bracket	Shimano XT Hollowtech II
Cassette	Shimano XT
Rear cogs	9-speed, 11 - 32 teeth
Chain	Shimano HG-73
Pedals	N/A

Brakes

Brakes	Shimano XT Disc brakes, Shimano XT hydraulic levers

Cockpit & contact points

Headset	1 1/8" FSA integrated
Handlebar	Ritchey Pro Rizer OS
Handlebar extensions	Not included
Stem	Ritchey Pro
Saddle	Fi'zi:k Gobi XM w/Mg rails
Seatpost	Ritchey 3D Forged, 31.6mm diameter

Wheels & tires

Hubs	Mavic CrossTrail centerlock disc
Rims	Mavic CrossTrail Disc
Spokes	Mavic
Front tire	26 x 2.00" Kenda Karma DTC
Wheel size	26" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 27, 2026.