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2024 Rocky Mountain Altitude 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

$7,893

$5,445 to $9,206

Like new

$7,498

$5,172 to $8,746

Excellent

$7,104

$4,900 to $8,286

Good

$5,920

$4,083 to $6,905

Fair

$4,341

$2,994 to $5,063

For parts

$2,368

$1,633 to $2,762

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: 2024
Category: Mountain · enduro
Frame material: carbon
Sizes: S, M, L, XL
Wheel size: 29, 27.5 (S)
Wheel setup: by frame size
Launch MSRP (US): $10,999
Current list price: $10,999 (as of 2026-09)

Drivetrain

Speeds: 12
Groupset: SRAM X0 Transmission Wireless
Electronic: true

Build

Fork: RockShox Zeb Ultimate Flight Attendant 170mm | 27.5 = 38mm Offset | 29 = 44mm Offset
Stem: Race Face Turbine R | 0° Rise | All Sizes = 40mm
Tires: F: Maxxis Assegai 2.5 WT 3C MaxxGrip EXO+ Tubeless Ready // R: Maxxis Minion DHR II 2.4 WT 3C MaxxTerra DD Tubeless Ready // Cushcore Trail Tire Inserts | Lightweight | Tire & Rim Protection
Brakes: Sram Code RSC 4 Piston | Metal Pads
Saddle: WTB Volt Race 142
Wheels: Race Face Era Carbon rims; hubs: Race Face Vault / Race Face Vault
Cassette: Sram X0 Transmission 10-52T
Crankset: Sram X0 Transmission Alloy | 32T | DUB Spindle | Power Meter Sensor | Crankarm Length: XS -SM = 165mm | MD - XL = 170mm
Seatpost: Rock Shox Reverb AXS Wireless Post | SM = 150mm | MD - XL = 170mm
Shifters: Sram AXS Wireless Pod Controller
Handlebar: Race Face Next R | 780mm Width | 35mm Rise | 8° Backsweep | 5° Upsweep | 35mm Clamp
Weight kg: 15.1
Rear shock: RockShox Super Deluxe Ultimate Flight Attendant HBO | Sealed Bearing Eyelet | 40x10mm F Hardware | SM = 210x55mm | MD - LG - XL = 230x60mm | Size-Specific tune in FAQ
Travel rear mm: 160
Rear derailleur: Sram X0 Transmission Wireless
Travel front mm: 170

Geometry

L 29: Reach mm: 475; Stack mm: 639; Chainstay mm: 450; Wheelbase mm: 1283; Head angle deg: 63; Seat angle deg: 77
M 29: Reach mm: 450; Stack mm: 630; Chainstay mm: 440; Wheelbase mm: 1244; Head angle deg: 63; Seat angle deg: 77
XL 29: Reach mm: 505; Stack mm: 653; Chainstay mm: 450; Wheelbase mm: 1319; Head angle deg: 63; Seat angle deg: 77
S 27.5: Reach mm: 424; Stack mm: 599; Chainstay mm: 430; Wheelbase mm: 1189; Head angle deg: 63; Seat angle deg: 77

Launch price read from Rocky Mountain's US store page captured 2024-05 (inside the model year). Colors: BLACK/PURPLE/SILVER. 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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