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2018 Rocky Mountain Instinct Alloy 50

Launched at $3,199Lists today at $3,199 (2026-09)

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What a used one is worth

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New

$1,392

$842 to $1,732

Like new

$1,322

$799 to $1,646

Excellent

$1,253

$757 to $1,559

Good

$1,044

$631 to $1,299

Fair

$766

$463 to $953

For parts

$418

$252 to $520

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

Overview

Brand: Rocky Mountain
Model family: Instinct
Model year: 2018
Category: Mountain · trail
Frame material: aluminum
Sizes: S, M, L, XL
Wheel size: 29
Launch MSRP (US): $3,199
Current list price: $3,199 (as of 2026-09)

Drivetrain

Speeds: 11
Groupset: SRAM GX
Electronic: false

Build

Fork: Fox 34 Float Performance 140mm
Stem: Rocky Mountain AM
Tires: Maxxis Minion DHR II EXO Tubeless Ready 29 x 2.3 / Maxxis Forekaster EXO Tubeless Ready 29 x 2.35
Brakes: Sram Level T
Saddle: WTB Volt Race
Wheels: Sun Düroc 30 Tubeless Compatible - Tape | Valves | Sealant Not Incl rims; hubs: Rocky Mountain Sealed Boost 15mm / Sram MTH 746 Boost 148mm
Cassette: Sram PG-1130 11-42T
Crankset: Race Face Aeffect Cinch 30T Steel
Seatpost: Race Face Aeffect Dropper 30.9mm
Shifters: Sram GX
Handlebar: Rocky Mountain AM 760mm
Rear shock: Fox Float DPS EVOL Performance
Travel rear mm: 140
Rear derailleur: Sram GX
Travel front mm: 140

Geometry

L: Reach mm: 460; Stack mm: 617; Chainstay mm: 435; Wheelbase mm: 1205; Head angle deg: 66.5; Seat angle deg: 75
M: Reach mm: 437; Stack mm: 608; Chainstay mm: 435; Wheelbase mm: 1179; Head angle deg: 66.5; Seat angle deg: 75
S: Reach mm: 413; Stack mm: 603; Chainstay mm: 435; Wheelbase mm: 1153; Head angle deg: 66.5; Seat angle deg: 75
XL: Reach mm: 487; Stack mm: 626; Chainstay mm: 435; Wheelbase mm: 1237; Head angle deg: 66.5; Seat angle deg: 75

Launch price read from Rocky Mountain's US model-year page captured 2017-08 (inside the model year). Geometry is the Neutral position of the adjustable geometry chip.

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