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MountainVerified spec

2009 Trek 3900 WSD

Launched at $440

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What a used one is worth

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New

$90

$45 to $124

Like new

$86

$43 to $118

Excellent

$81

$40 to $112

Good

$68

$34 to $93

Fair

$50

$25 to $68

For parts

$27

$13 to $37

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

Overview

Brand
Trek
Model family
3 Series
Model year
2009
Category
Mountain · xc
Frame material
aluminum
Sizes
Women's 13, Women's 16
Wheel size
26
Launch MSRP (US)
$440

Drivetrain

Speeds
8
Groupset
Shimano Acera
Chainrings
3
Electronic
false

Build

Stem
Bontrager Approved, 40 degree
Tires
Bontrager Connection Trail, 26x2.0"; 27 tpi
Brakes
Tektro V w/Shimano EF50 levers
Saddle
Bontrager Approved FIT
Wheels
Alloy front hub, Shimano RM30 rear hub; Matrix 550 rims w/brushed sidewalls
Cassette
SRAM PG830 11-32, 8 speed
Crankset
SR Suntour XCC-T102 42/34/24
Seatpost
Bontrager SSR, 20mm offset
Shifters
Shimano EF50, 8 speed
Handlebar
Bontrager Approved, 30mm rise
Rear derailleur
Shimano Acera

Spec from Trek's retired bike archive (archive.trekbikes.com, US region page captured 2017-07). Colors: Soft Blue/Velvet Blue. Extras listed: Bontrager Select FIT grips. MSRP from trekbikes.com's own 2009 model page captured 2008-09 (inside the launch window; the page's own image path dates it to model year 2009).

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