MountainPartial spec

2018 Rocky Mountain Altitude Carbon 90

Lists today at $7,299 (2026-09)

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What a used one is worth

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New

$3,176

$1,920 to $3,953

Like new

$3,017

$1,824 to $3,755

Excellent

$2,858

$1,728 to $3,557

Good

$2,382

$1,440 to $2,964

Fair

$1,747

$1,056 to $2,174

For parts

$953

$576 to $1,186

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

Overview

Brand: Rocky Mountain
Model family: Altitude
Model year: 2018
Category: Mountain · enduro
Frame material: carbon
Sizes: XS, S, M, L, XL
Wheel size: 27.5
Current list price: $7,299 (as of 2026-09)

Drivetrain

Speeds: 12
Groupset: SRAM X01 Eagle
Electronic: false

Build

Fork: Fox 36 Float EVOL FIT4 Factory 160mm
Stem: Rocky Mountain 35 CNC
Tires: Maxxis Minion DHF WT Maxx Terra 3C Tubeless Ready 27.5 x 2.5/Maxxis Minion DHR II WT Maxx Terra 3C Tubeless Ready 27.5 x 2.4
Brakes: Sram Guide RSC 180mm
Saddle: WTB Silverado Race
Wheels: Stans Flow MK3 Tubeless Ready - Tape | Valves Incl rims; hubs: Rocky Mountain Sealed Boost 15mm / DT Swiss 350 Boost 148mm
Cassette: Sram XG-1295 10-50T
Crankset: Sram Descendant Carbon Eagle 34T
Seatpost: Fox Transfer Factory 30.9mm
Shifters: Sram X01 Eagle
Handlebar: Race Face Next R 780mm
Rear shock: Fox Float DPX2 Factory
Travel rear mm: 150
Rear derailleur: Sram X01 Eagle 12 spd
Travel front mm: 160

Geometry

L: Reach mm: 458; Stack mm: 610; Chainstay mm: 425; Wheelbase mm: 1205; Head angle deg: 65.6; Seat angle deg: 74.6
M: Reach mm: 435; Stack mm: 600; Chainstay mm: 425; Wheelbase mm: 1179; Head angle deg: 65.6; Seat angle deg: 74.6
S: Reach mm: 413; Stack mm: 591; Chainstay mm: 425; Wheelbase mm: 1153; Head angle deg: 65.5; Seat angle deg: 74.5
XL: Reach mm: 484; Stack mm: 623; Chainstay mm: 425; Wheelbase mm: 1237; Head angle deg: 65.6; Seat angle deg: 74.6
XS: Reach mm: 385; Stack mm: 582; Chainstay mm: 425; Wheelbase mm: 1152; Head angle deg: 65.5; Seat angle deg: 74.5

list_price_usd is the price Rocky Mountain's archive page shows today; no in-season capture confirmed it as the launch price. Geometry is the Neutral position of the adjustable geometry chip. 2 factory colorways.

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