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KidsVerified spec

2012 Mongoose Fireball 20

Launched at $300

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What a used one is worth

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New

$79

$42 to $105

Like new

$75

$40 to $100

Excellent

$71

$38 to $95

Good

$59

$31 to $79

Fair

$44

$23 to $58

For parts

$24

$13 to $32

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

Overview

Brand
Mongoose
Model family
Fireball
Model year
2012
Category
Kids
Frame material
aluminum
Sizes
ONE
Wheel size
20
Launch MSRP (US)
$300

Drivetrain

Speeds
7
Groupset
Shimano Tourney
Chainrings
1
Electronic
false

Build

Fork
20" Suspension w/50mm Travel
Stem
Alloy DJ, 25.4
Tires
Kenda K-Rad, 20 x 2.35
Brakes
Promax Alloy V-Brake; levers Alloy
Saddle
Mongoose DJ Kids
Wheels
rims Alloy 36 Hole; hubs KT Alloy bolt-on 36 Hole; spokes 14G Stainless
Cassette
14-28t, 7-speed
Crankset
Prowheel Steel w/ chainguide, 36t
Seatpost
Steel, 27.2 x 250
Shifters
Shimano Tourney Revo
Handlebar
Steel DJ, 25.4, 30mm rise
Rear derailleur
Shimano Tourney
Travel front mm
50

Source: Mongoose's own mongoose.com model page captured 2011-11. Model year from the year in the page address; maker menu: juvenile. Frame: Mongoose DJ 20" Aluminum Hardtail w/ vertical dropout. Bottom bracket: Cartridge. Chain: KMC Z51, 7-speed. Headset: Threadless, 1 1/8". Pedals: Plastic Platform with reflector. MSRP $300 from the price block of the 2011-11 capture, inside the model year launch window.

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