Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Rocky Mountain
2021 Rocky Mountain Altitude Carbon 99
Value Guide market data · 2021 Rocky Mountain Altitude Carbon 99
12-month trend
11%
Direction and magnitude, not judgment
vs. category average
14%
Drops faster than category avg
Price over time - 2021 Rocky Mountain Altitude Carbon 99
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Altitude model years
2024$10,229 - $11,879▲ 5% vs. 2021
2023$9,299 - $10,799▼ 4% vs. 2021
2022$9,513 - $11,047▼ 2% vs. 20212021$9,718 - $11,285Currently viewing
2020$6,788 - $7,883▼ 30% vs. 2021
2019$6,881 - $7,991▼ 29% vs. 2021
2018$6,788 - $7,883▼ 30% vs. 2021
2016$8,835 - $10,260▼ 9% vs. 2021
2015$8,835 - $10,260▼ 9% vs. 2021
2014$7,068 - $8,208▼ 27% vs. 2021
2013$6,417 - $7,452▼ 34% vs. 2021
2012$3,720 - $4,320▼ 62% vs. 2021
2011$3,906 - $4,536▼ 60% vs. 2021
2010$6,510 - $7,560▼ 33% vs. 2021
2009$6,045 - $7,020▼ 38% vs. 20211996$2,079 - $2,414▼ 79% vs. 20212021 Altitude Carbon 99 lineup
Overview
About this bike
2021 Rocky Mountain Altitude Carbon 99 value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Fork
- RockShox Lyrik Ultimate RC2 170mm | 27.5 = 37mm Offset | 29 = 42mm Offset
- Frame
- SMOOTHWALL Carbon. Full Sealed Cartridge Bearings. Press Fit BB92. Internal Cable Routing. 2-Bolt ISCG05 Tabs. RIDE-9 Adjustable Geometry. 2 Position Axle. 160mm Travel. SMOOTHWALL Carbon Rear Triangle
- Rear Shock
- RockShox Super Deluxe Ultimate | Sealed Bearing Eyelet | 25x8mm F Hardware | SM = 210x55mm | MD - LG - XL = 230x60mm | Size-Specific tune in FAQ
Drivetrain
- Groupset
- SRAM X01
- Bottom Bracket
- Sram BB92 DUB
- Cassette
- Sram XG-1295 10-52T
- Chain
- Sram XX1 Eagle
- Chainrings
- 27.5 = 34T | 29 = 32T
- Crankset
- Sram X01 Carbon Eagle | 27.5 = 34T | 29 = 32T | 3mm Offset Chainring | 28.99mm Spindle | 170mm Crank length
- Rear Derailleur
- Sram X01 Eagle AXS Wireless
- Shifters
- Sram Eagle AXS
Brakes
- Brakes
- Sram Code RSC 4 Piston | Metal Pads | Centerline 200mm F Rotor | Centerline 180mm R Rotor
Cockpit
- Handlebar
- Race Face Next R | 780mm Width | 20mm Rise | 8° Backsweep | 4° Upsweep | 35mm Clamp
- Headset
- Cane Creek Hellbender 70 | 36°x45° Bearings | 30.15mm x 41mm x 6.5mm Upper | 40mm x 52mm x 6.5mm Lower | 1.5" Crown Race
- Saddle
- WTB Volt Team | Titanium Rails | 142mm Width
- Seatpost
- Rock Shox Reverb AXS Wireless Post | SM = 125mm | MD = 150mm | LG - XL = 170mm
- Stem
- Race Face Turbine R | 0° Rise | All Sizes = 40mm
- Grips
- Ergon GE1 EVO Lock On
Wheels & Tires
- Front Tire
- Front: Maxxis Assegai 2.5 WT 3C MaxxGrip EXO+ Tubeless Ready, Rear: Maxxis Minion DHR II 2.4 WT 3C MaxxTerra EXO+ Tubeless Ready
- Hubs
- Front: Race Face Vault Boost 15mm, Rear: Race Face Vault Boost 148mm | RMB Axle | 163mm x 12mm x 1.5mm
- Rims
- Race Face Next R 31 Carbon Wheelset | Tubeless Ready - Tape | Valves Incl | 28H
- Wheel Size
- 27.5-inch / 29-inch
Pedals
- Pedals
- Sold separately
Frame sizing
XS4'10"-5'2"
S5'2"-5'6"
M5'6"-5'10"
L5'10"-6'2"
XL6'2"-6'6"
M highlighted as most common resale size. Sourced from catalog metadata.
Geometry
- Stack
- Varies by size
- Reach
- Varies by size
- Wheelbase
- Varies by size
Industry standard. Sourced from catalog metadata.
What to check when buying used
Inspection
Drivetrain wear
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Wheel condition
Inspect rims, hubs, spokes, and bearing play; ask about the tire age and any prior wheel rebuilds.
Inspection
Service history
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.
Inspection
Suspension service
Confirm fork lowers and rear shock service intervals; ask for the most recent service receipts.
Inspection
Frame pivots & bearings
Cycle the suspension off the bike to feel for play, grit, or noise in pivot bearings.