MountainPartial spec

2008 Mongoose Black Diamond Trpl

Launched at $3,000

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What a used one is worth

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New

$567

$275 to $786

Like new

$539

$261 to $747

Excellent

$510

$248 to $708

Good

$425

$206 to $590

Fair

$312

$151 to $432

For parts

$170

$83 to $236

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

Overview

Brand: Mongoose
Model family: Black
Model year: 2008
Category: Mountain
Sizes: S, M, L
Wheel size: 26
Launch MSRP (US): $3,000

Drivetrain

Speeds: 9
Groupset: SRAM X.9
Chainrings: 1
Electronic: false

Build

Fork: Marzocchi RC3, 180 mm travel one side coil/one side air spring, RC2 rebound and compression adjust, 20 mm tool free axle, 38 mm legs
Stem: Funn Rippa 45 mm, 10°
Tires: Kenda 26x2.5 Nevegal FR, Stick-E rubber & pinch flat protection
Brakes: Formula K24 hydraulic disc, 203 mm rotor (front and rear); levers Formula K24 hydraulic disc
Saddle: SDG Bel Air Super Tough
Wheels: rims WTB Laser Disc FR, 32H; front hub WTB Laser Disc Super Duty 20 mm thru axle, 32H; rear hub WTB Laser Disc Super Dutry 150x12 mm thru axle, cassette; spokes WTB stainless steel
Cassette: SRAM PG-990 11-34T 9 speed
Crankset: FSA Gravity, hollow forged arms, 36T w/ bash guard
Seatpost: Titec KnockScoper I-Beam telescoping post
Shifters: SRAM X.9 Impulse trigger shifters, w/ Matchmaker Juicy shifter/brake mount
Handlebar: Funn Fatboy, triple butted 7075AL,30 mm rise, 31.8 mm
Rear shock: Marzocchi Roco TST R, coil over with 5 position compression, rebound adjust and piggy back reservoir. (9.0x2.75")
Travel rear mm: 190
Rear derailleur: SRAM X.9 mid cage
Travel front mm: 180

Geometry

L: Wheelbase mm: 1140; Head angle deg: 66; Seat angle deg: 68
M: Chainstay mm: 440; Wheelbase mm: 1115; Head angle deg: 66; Seat angle deg: 68
S: Chainstay mm: 440; Wheelbase mm: 1090; Head angle deg: 66; Seat angle deg: 68

Source: Mongoose's own mongoose.com product page captured 2007-09; also listed on mongoose.com model page captured 2009-05. Model year from the page title; maker menu: Mountain & Pavement > Bikes > Dual Suspension. rear travel adjustable (170/190 mm travel), maximum stored. Frame: FreeDrive FR 6.7/7.5" (170/190 mm) travel 150x12 mm Maxle Dropouts. Bottom bracket: FSA MegaExo external bearing. Chain: KMC Z-9900 silver. Headset: FSA Orbit Z 1.5" to 1-1/8" conversion, internal angular contact bearing. Pedals: Funn Soljam Viper, sealed bearing alloy platform w/ replaceable steel pins. Grips: Mongoose Half-Flange M-logo Lock On grip. Extras: MRP System 3 chain guide system, Rock Shox Rear Maxle. sizes are the frame size columns of the page geometry table (the page has no size row). MSRP $2999.99 from the price block of the 2007-09 capture, inside the model year launch window.

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