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2018 Rocky Mountain Instinct Carbon 50

Launched at $4,299Lists today at $4,299 (2026-09)

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What a used one is worth

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New

$1,871

$1,131 to $2,328

Like new

$1,777

$1,074 to $2,212

Excellent

$1,684

$1,018 to $2,095

Good

$1,403

$848 to $1,746

Fair

$1,029

$622 to $1,280

For parts

$561

$339 to $698

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: carbon
Sizes: S, M, L, XL
Wheel size: 29
Launch MSRP (US): $4,299
Current list price: $4,299 (as of 2026-09)

Drivetrain

Speeds: 12
Groupset: SRAM GX Eagle
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 TL
Saddle: WTB Volt Race
Wheels: Sun Düroc 30 Tubeless Compatible - Tape | Valves | Sealant Not Incl rims; hubs: Rocky Mountain Sealed Boost 15mm / DT Swiss 370 Boost 148mm
Cassette: Sram XG-1275 10-50T
Crankset: Sram Stylo 6k Eagle 32T
Seatpost: Race Face Aeffect Dropper 30.9mm
Shifters: Sram GX Eagle
Handlebar: Rocky Mountain AM 760mm
Rear shock: Fox Float DPS EVOL Performance
Travel rear mm: 140
Rear derailleur: Sram GX Eagle
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. 2 factory colorways.

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