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2025 Rocky Mountain Instinct Carbon 99

Launched at $10,999Lists today at $10,999 (2026-09)

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What a used one is worth

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New

$8,579

$6,049 to $9,899

Like new

$8,150

$5,747 to $9,404

Excellent

$7,721

$5,445 to $8,909

Good

$6,434

$4,537 to $7,424

Fair

$4,719

$3,327 to $5,445

For parts

$2,574

$1,815 to $2,970

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: 2025
Category: Mountain · trail
Frame material: carbon
Sizes: XS, S, M, L, XL
Wheel size: 27.5 or 29
Wheel setup: either
Launch MSRP (US): $10,999
Current list price: $10,999 (as of 2026-09)

Drivetrain

Speeds: 12
Groupset: SRAM XX Eagle Transmission Wireless
Electronic: true

Build

Fork: RockShox Lyrik Ultimate Flight Attendant 160mm | Auto-Adjust Flight Attendant Damper | 27.5 = 37mm Offset | 29 = 42mm Offset
Stem: Race Face Turbine R | 0° Rise | All Sizes = 40mm
Tires: Maxxis Minion DHF 2.5 WT 3C MaxxTerra EXO+ Tubeless Ready | Maxxis Minion DHR II 2.4 WT 3C MaxxTerra EXO+ Tubeless Ready | Tubeless Set Up | Sealant Incl
Brakes: Sram Code Ultimate Stealth 4 Piston | Metal Pads
Saddle: WTB Volt Fusion Form 142 | Titanium Rails
Cassette: Sram XX Eagle Transmission 10-52T
Crankset: Sram XX Transmission Carbon | 32T | Power Meter | DUB Spindle | Crankarm Length: XS -SM = 165mm | MD - XL = 170mm
Seatpost: Rock Shox Reverb AXS Wireless Post | XS = 125mm | SM = 150mm | MD - XL = 170mm
Shifters: Sram AXS Pod Ultimate Controller
Handlebar: Race Face ERA | XS = 760mm | SM - XL = 780mm Width | 20mm Rise | 8° Backsweep | 5° Upsweep | 35mm Clamp
Rear shock: RockShox Super Deluxe Ultimate Flight Attendant | Sealed Bearing Eyelet | 20x8mm F Hardware | XS - SM = 190x45mm | MD - LG - XL = 210x55mm | Size-Specific tune in FAQ
Travel rear mm: 150
Rear derailleur: Sram XX Eagle Transmission Wireless
Travel front mm: 160

Geometry

L 29: Reach mm: 474; Stack mm: 628; Wheelbase mm: 1259; Head angle deg: 63.5; Seat angle deg: 76.5
M 29: Reach mm: 449; Stack mm: 599; Wheelbase mm: 1227; Head angle deg: 63.5; Seat angle deg: 76.5
S 29: Reach mm: 423; Stack mm: 572; Wheelbase mm: 1198; Head angle deg: 63.5; Seat angle deg: 76.5
XL 29: Reach mm: 504; Stack mm: 659; Wheelbase mm: 1293; Head angle deg: 63.5; Seat angle deg: 76.5
S 27.5: Reach mm: 423; Stack mm: 594; Wheelbase mm: 1179; Head angle deg: 63.5; Seat angle deg: 76.5
XS 27.5: Reach mm: 398; Stack mm: 585; Wheelbase mm: 1150; Head angle deg: 63.5; Seat angle deg: 76.5

Launch price read from Rocky Mountain's US store page captured 2025-09 (inside the model year). Colors: GREEN/WHITE/GREY. Geometry is the POS.1 Slack position of the adjustable geometry chip. Geometry keys carry the wheel size (MX = mixed 29/27.5). Wheel size depends on the chosen option or frame size.

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