MountainMass marketVerified spec
2025 Mongoose Impasse 3.0
Launched at $1,200Lists today at $1,200 (2026-09)
Own a 2025 Mongoose Impasse 3.0?
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What a used one is worth
Open the value toolNew
$936
$660 to $1,080
Like new
$889
$627 to $1,026
Excellent
$842
$594 to $972
Good
$702
$495 to $810
Fair
$515
$363 to $594
For parts
$281
$198 to $324
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
- MD, LG
- Wheel size
- 29
- Years sold
- 2025 to 2026
- Launch MSRP (US)
- $1,200
- Current list price
- $1,200 (as of 2026-09)
Drivetrain
- Speeds
- 9
- Groupset
- microSHIFT Advent
- Electronic
- false
Build
- Fork
- RST Blaze, mechanical lockout, 100 mm travel
- Stem
- Aluminum, threadless, 70 mm, 7° rise, 31.8 mm clamp
- Tires
- WTB Ranger Comp, 29 in x 2.25 in, wire bead
- Brakes
- Tektro HD-M275, hydraulic disc, aluminum, 180 mm front, 160 mm rear rotor
- Saddle
- Mongoose MTB, steel rails
- Wheels
- Mongoose, aluminum, double wall, 26 mm ID, 32H
- Crankset
- Prowheel C10Y-NW, aluminum, 30T
- Seatpost
- KS Exaform KSP900-I, aluminum, 400 mm, 125 mm travel, internal with remote, 30.9 mm
- Shifters
- Microshift Advent, 9
- Handlebar
- Mongoose, aluminum, 760 mm width, 15 mm rise, 31.8 mm clamp
- Suspension
- front
- Rear derailleur
- Microshift Advent
- 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: Black.
For sale now
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