KidsMass marketVerified spec
2020 Mongoose Argus ST 20
Launched at $320Lists today at $440 (2025-10)
Own a 2020 Mongoose Argus ST 20?
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 toolNew
$165
$104 to $200
Like new
$156
$99 to $190
Excellent
$148
$94 to $180
Good
$123
$78 to $150
Fair
$90
$57 to $110
For parts
$49
$31 to $60
From the launch price, aged to 2026 and adjusted for condition. Guidance from our catalog, not an appraisal.
Overview
- Brand
- Mongoose
- Model family
- Argus
- Model year
- 2020
- Category
- Kids · fat
- Frame material
- steel
- Sizes
- 20"
- Wheel size
- 20 fat
- Tire volume
- fat
- Years sold
- 2020 to 2025
- Launch MSRP (US)
- $320
- Current list price
- $440 (as of 2025-10)
Drivetrain
- Speeds
- 7
- Groupset
- Shimano Tourney
- Electronic
- false
Build
- Fork
- Hi-Ten steel, 20", nutted
- Stem
- Aluminum, threadless, 80 mm, 7° rise, 31.8 mm clamp
- Tires
- 20 in x 4.0 in, wire bead
- Brakes
- Mechanical disc, aluminum, 160 mm
- Saddle
- Mongoose MTB, steel rails
- Wheels
- Aluminum, single wall, 36H
- Crankset
- Prowheel, aluminum, 36T
- Seatpost
- Steel, 250 mm, 28.6 mm
- Shifters
- 7-speed
- Handlebar
- Steel, 620 mm width, 15 mm rise, 31.8 mm clamp
- Suspension
- none
- Rear derailleur
- Shimano Tourney RD-TY300
Mass market model record: appears in mongoose.com first-party captures 2020 to 2025. Components are from the archived mongoose.com page captured 2025-10. Launch price: mongoose.com capture 2020-10, in the first year the model appears. Factory colors: Grey.
For sale now
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