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MountainPartial spec

2009 GT Marathon Carbon Expert

Launched at $3,200

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What a used one is worth

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New

$657

$326 to $902

Like new

$625

$310 to $857

Excellent

$592

$294 to $812

Good

$493

$245 to $676

Fair

$362

$179 to $496

For parts

$197

$98 to $271

From the launch price, aged to 2026 and adjusted for condition. Guidance from our catalog, not an appraisal.

Overview

Brand
GT
Model family
Marathon
Model year
2009
Category
Mountain · trail
Frame material
carbon
Wheel size
26
Launch MSRP (US)
$3,200

Drivetrain

Speeds
9
Groupset
Shimano SLX
Electronic
false

Build

Fork
Rock Shox RECON 335 Air, 120 mm travel, with aluminum steerer rebound adjust and motion control.
Stem
Ritchey Pro cold forged stem, with 6 degree rise, and 4 bolt face plate
Tires
Kenda Karma, 26x 2.0 120 TPI with Kevlar bead and DTC compound
Brakes
Shimano SLX Hydraulic (front and rear); levers: Shimano SLX Hydraulic
Saddle
FIZIK Gobi XM with Manganese Rails
Wheels
rims: Mavic Crossride for Centerlock Disc; front hub: Mavic Crossride for Centerlock Disc; rear hub: Mavic Crossride for Centerlock Disc; spokes: Mavic
Cassette
Shimano SLX Nine speed index cassette 11-32
Crankset
Shimano SLX, with Hollowtech 2 piece arm and bb,
Seatpost
Ritchey 31.6mm 3 D forged
Shifters
Shimano SLX Trigger separate
Handlebar
Ritchey Pro Lo Rizer butted 2014 alum, 31.8 mm clamp, 680 mm width 15mm rise, 6/9 deg sweep
Rear shock
Fox Float R Shock with rebound adjust
Travel rear mm
102
Rear derailleur
Shimano SLX
Travel front mm
120

Spec from GT's 2009 archive page on its 2010 site (US site, captured 2009-10; model year from the archive year in the URL and breadcrumb). Rear travel printed in inches ("4 inches of travel"), converted. Frame: GT I drive 4 moncoque carbon fiber front triangle and rear traingle with 4 inches of travel. Integrated headset and main pivot bearings. Internal cable routing. Front derailleur: Shimano SLX Bottom bracket: Shimano SLX out board sealed bearings Chain: HG-73 Nine Speed Headset: FSA Integrated, sealed angular contact bearing Pedals: Crank Bros Candy C Grips: GT Alloy Lock Down Seat clamp: GT Alum QR Nipples: Mavic MSRP $3199.99 read from the product's own price block (under the model name) on GT's US page captured 2009-10, inside the 2009 launch window (fix round 2026-10-21).

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