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BMXVerified spec

2009 Mongoose Subject

Launched at $230

Own a 2009 Mongoose Subject?

Track its value in your garage, or list it for sale locally in a few taps.

What a used one is worth

Open the value tool

New

$47

$23 to $65

Like new

$45

$22 to $62

Excellent

$43

$21 to $58

Good

$35

$18 to $49

Fair

$26

$13 to $36

For parts

$14

$7 to $19

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

Overview

Brand
Mongoose
Model family
Subject
Model year
2009
Category
BMX
Frame material
steel
Sizes
20
Wheel size
20
Launch MSRP (US)
$230

Drivetrain

Speeds
1
Chainrings
1
Electronic
false

Build

Fork
Full Hi-Ten Steel
Stem
Mongoose front load 50mm Ext.
Tires
Mongoose 2.0 freestyle
Brakes
front Tektro Alloy Caliper; rear Tektro Alloy U-brake; levers Rush RX2.8
Saddle
Mongoose Shorty
Wheels
rims Jalco ST26 Alloy, 48H 20 x 1.75; hubs 48H Steel, 3/8"axle; spokes UCP Steel
Cassette
14T freewheel
Seatpost
25.4 straight steel
Handlebar
Mongoose hi-ten 2pc
Weight kg
13.9

Geometry

20
Chainstay mm: 363; Wheelbase mm: 925; Head angle deg: 73; Seat angle deg: 71

Source: Mongoose's own mongoose.com model page captured 2008-12; also listed on mongoose.com product page captured 2008-09. Model year from the page title; maker menu: BMX > Freestyle. Frame: Full Hi-Ten Steel. Bottom bracket: Loose Ball. Chain: KMC Z-510. Headset: 1-1/8" Ahead. Pedals: Wellgo micro tread. Grips: Mongoose Kraton. Extras: 2 pair axle pegs. sizes are the frame size columns of the page geometry table (the page has no size row). wheel size read from the rims. single speed (no derailleur or shifter listed). weight 30.6 lbs from the page's own feature list. MSRP $229.99 from the price block of the 2008-09 capture, inside the model year launch window.

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