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MountainVerified spec

2010 Trek 3900 Disc

Launched at $530

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What a used one is worth

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New

$118

$60 to $161

Like new

$112

$57 to $153

Excellent

$107

$54 to $145

Good

$89

$45 to $120

Fair

$65

$33 to $88

For parts

$36

$18 to $48

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
2010
Category
Mountain · xc
Frame material
aluminum
Sizes
13, 16, 18, 19.5, 21, 22.5
Wheel size
26
Launch MSRP (US)
$530

Drivetrain

Speeds
8
Groupset
Shimano M360
Chainrings
3
Electronic
false

Build

Stem
Bontrager Approved, 25 degree
Tires
Bontrager LT-3, 26x2.0"
Brakes
Promax, mechanical disc w/Shimano EF50 levers
Saddle
Bontrager SSR
Wheels
Formula Alloy DC20 front hub, FH-M475 rear hub; Bontrager 550 rims w/brushed sidewalls
Cassette
SRAM PG830 11-32, 8 speed
Crankset
Shimano M191 42/34/24
Seatpost
Bontrager SSR, 31.6mm, 20mm offset
Shifters
Shimano EF50, 8 speed
Handlebar
Bontrager Approved Riser, 30mm rise
Rear derailleur
Shimano M360

Spec from Trek's retired bike archive (archive.trekbikes.com, US region page captured 2017-03). Colors: Matte Black; Matte Orange; Special Edition Matte White (+$10). MSRP from trekbikes.com's own 2010 model page captured 2009-08 (inside the launch window; the page's own image path dates it to model year 2010).

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