MountainVerified spec

2021 Rocky Mountain Instinct Carbon 99

Launched at $10,449Lists today at $10,449 (2026-09)

Own a 2021 Rocky Mountain Instinct Carbon 99?

Track its value in your garage, or list it for sale locally in a few taps.

Add to garage List yours

What a used one is worth

Open the value tool

New

$5,839

$3,771 to $7,035

Like new

$5,547

$3,582 to $6,683

Excellent

$5,255

$3,394 to $6,331

Good

$4,379

$2,828 to $5,276

Fair

$3,211

$2,074 to $3,869

For parts

$1,752

$1,131 to $2,110

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: 2021
Category: Mountain · trail
Frame material: carbon
Sizes: XS, S, M, L, XL
Wheel size: 27.5 or 29
Wheel setup: either
Launch MSRP (US): $10,449
Current list price: $10,449 (as of 2026-09)

Drivetrain

Speeds: 12
Groupset: SRAM XX1 Eagle AXS
Electronic: true

Build

Fork: RockShox Pike Ultimate RC2 150mm | 27.5 = 37mm Offset | 29 = 42mm Offset
Stem: Race Face Turbine R | 0° Rise | All Sizes = 40mm
Tires: F: Maxxis Minion DHF 2.5 WT 3C MaxxTerra EXO+ Tubeless Ready // R: Maxxis Minion DHR II 2.4 WT 3C MaxxTerra EXO+ Tubeless Ready
Brakes: Sram G2 Ultimate 4 Piston | Organic Pads | Centerline 180mm F Rotor | Centerline 180mm R Rotor
Saddle: WTB Volt Team | Titanium Rails | 142mm Width
Wheels: Race Face Next R 31 Carbon Wheelset | Tubeless Ready - Tape | Valves Incl | 28H rims; hubs: Race Face Vault Boost 15mm / Race Face Vault Boost 148mm | RMB Axle | 163mm x 12mm x 1.5mm
Cassette: Sram XG-1299 10-52T
Crankset: Sram XX1 Carbon Eagle | 27.5 = 34T | 29 = 32T | 3mm Offset Chainring | 28.99mm Spindle | 170mm Crank length
Seatpost: Rock Shox Reverb AXS Wireless Post | XS - SM = 125mm | MD = 150mm | LG - XL = 170mm
Shifters: Sram Eagle AXS
Handlebar: Race Face Next R | 780mm Width | 20mm Rise | 8° Backsweep | 4° Upsweep | 35mm Clamp
Weight kg: 13.08
Rear shock: RockShox Super Deluxe Ultimate | Sealed Bearing Eyelet | 25x8mm F Hardware | XS - SM = 190x45mm | MD - LG - XL = 210x52.5mm | Size-Specific tune in FAQ
Travel rear mm: 140
Rear derailleur: Sram XX1 Eagle AXS Wireless
Travel front mm: 150

Geometry

L 29: Reach mm: 487; Stack mm: 628; Wheelbase mm: 1240; Head angle deg: 65.7; Seat angle deg: 76.7
M 29: Reach mm: 462; Stack mm: 615; Wheelbase mm: 1209; Head angle deg: 65.7; Seat angle deg: 76.7
S 29: Reach mm: 437; Stack mm: 611; Wheelbase mm: 1182; Head angle deg: 65.7; Seat angle deg: 76.7
XL 29: Reach mm: 517; Stack mm: 642; Wheelbase mm: 1277; Head angle deg: 65.7; Seat angle deg: 76.7
S 27.5: Reach mm: 439; Stack mm: 589; Wheelbase mm: 1162; Head angle deg: 65.9; Seat angle deg: 76.9
XS 27.5: Reach mm: 414; Stack mm: 581; Wheelbase mm: 1133; Head angle deg: 65.9; Seat angle deg: 76.9

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. Geometry keys carry the wheel size. Price read from Rocky Mountain's US store page captured 2021-12 (inside the model year).

For sale now

No Instinct listed right now. Save a search in the app and get told when one appears.