MountainMass marketVerified spec
2025 Mongoose Impasse 27.5
Launched at $620Lists today at $746 (2026-09)
Own a 2025 Mongoose Impasse 27.5?
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
$484
$341 to $558
Like new
$459
$324 to $530
Excellent
$435
$307 to $502
Good
$363
$256 to $418
Fair
$266
$188 to $307
For parts
$145
$102 to $167
From the launch price, aged to 2026 and adjusted for condition. Guidance from our catalog, not an appraisal.
Overview
- Brand
- Mongoose
- Model family
- Impasse
- Model year
- 2025
- Category
- Mountain · recreational
- Frame material
- aluminum
- Sizes
- 27.5"
- Wheel size
- 27.5
- Years sold
- 2025 to 2026
- Launch MSRP (US)
- $620
- Current list price
- $746 (as of 2026-09)
Drivetrain
- Speeds
- 7
- Electronic
- false
Build
- Fork
- Element, 100 mm travel
- Stem
- Aluminum, threadless, 40 mm, 7° rise, 31.8 mm clamp
- Tires
- 27.5 in x 2.6 in, wire bead
- Brakes
- JAK 7, mechanical disc, aluminum, 160 mm rotor
- Saddle
- Mongoose MTB, steel rails
- Wheels
- Aluminum, double wall, 32H
- Crankset
- Aluminum, 30T
- Seatpost
- Aluminum, 350 mm, 27.2 mm
- Shifters
- Pro Rush, 7-speed
- Handlebar
- Mongoose, steel, 720 mm width, 15 mm rise, 31.8 mm clamp
- Suspension
- front
- Rear derailleur
- Pro Rush
- Travel front mm
- 100
Mass market model record: appears in mongoose.com first-party captures 2025 to 2026 and is listed on the live site in 2026-09. Components are from the live mongoose.com page. Launch price: mongoose.com capture 2025-03, in the first year the model appears. Factory colors: Matte Black.
For sale now
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