MountainPartial spec

2018 Rocky Mountain Altitude Alloy 50

Lists today at $3,399 (2026-09)

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What a used one is worth

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New

$1,479

$894 to $1,841

Like new

$1,405

$849 to $1,749

Excellent

$1,331

$805 to $1,657

Good

$1,109

$671 to $1,380

Fair

$813

$492 to $1,012

For parts

$444

$268 to $552

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: aluminum
Sizes: XS, S, M, L, XL
Wheel size: 27.5
Current list price: $3,399 (as of 2026-09)

Drivetrain

Speeds: 11
Groupset: Shimano Deore XT
Electronic: false

Build

Fork: Fox 36 Float EVOL Grip Performance 160mm
Stem: Rocky Mountain 35 AM
Tires: Maxxis Minion DHF WT EXO Tubeless Ready 27.5 x 2.5/Maxxis Minion DHR II WT EXO Tubeless Ready 27.5 x 2.4
Brakes: Shimano SLX 180mm
Saddle: WTB Volt Race
Wheels: Sun Düroc 30 Tubeless Compatible - Tape | Valves | Sealant Not Incl rims; hubs: Shimano SLX Boost 15mm / Shimano SLX Boost 148mm
Cassette: Shimano XT 11-46T
Crankset: Race Face Aeffect Cinch 32T Steel
Seatpost: Fox Transfer Performance Elite 30.9mm
Shifters: Shimano SLX
Handlebar: Race Face Chester 780mm
Rear shock: Fox Float DPS EVOL Performance
Travel rear mm: 150
Rear derailleur: Shimano XT
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.

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