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2021 Rocky Mountain Altitude Alloy 50

Launched at $4,299Lists today at $4,489 (2026-09)

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What a used one is worth

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New

$2,402

$1,551 to $2,894

Like new

$2,282

$1,474 to $2,750

Excellent

$2,162

$1,396 to $2,605

Good

$1,802

$1,163 to $2,171

Fair

$1,321

$853 to $1,592

For parts

$721

$465 to $868

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: 2021
Category: Mountain · enduro
Frame material: aluminum
Sizes: S, M, L, XL
Wheel size: 27.5 or 29
Wheel setup: either
Launch MSRP (US): $4,299
Current list price: $4,489 (as of 2026-09)

Drivetrain

Speeds: 12
Groupset: Shimano Deore XT
Electronic: false

Build

Fork: Fox 36 Float EVOL GRIP Performance Series 170mm | 27.5 = 37mm Offset | 29 = 44mm Offset
Stem: Rocky Mountain 35 AM | 5° Rise | All Sizes = 40m
Tires: F: Maxxis Assegai 2.5 WT 3C MaxxGrip EXO+ Tubeless Ready // R: Maxxis Minion DHR II 2.4 WT 3C MaxxTerra EXO+ Tubeless Ready
Brakes: Shimano XT Trail 4 Piston | Metal Pads | RT66 203mm F Rotor | RT66 180mm R Rotor
Saddle: WTB Volt Race | Cromoly Rails | 142mm Width
Wheels: WTB ST i30 TCS 2.0 Tubeless | Tubeless Ready - Tape | Valves Incl | 32H rims; hubs: Rocky Mountain Sealed Boost 15mm / DT Swiss 370 Boost 148mm | RMB Axle | 163mm x 12mm x 1.5mm
Cassette: Shimano Deore 10-51T 12spd
Crankset: Race Face Aeffect Cinch | 27.5 = 34T | 29 = 32T | 24mm Spindle | 170mm Crank Length
Seatpost: Race Face Aeffect R Dropper 30.9mm | Shimano MT500 Remote | SM = 125mm | MD = 150mm | LG - XL = 175mm
Shifters: Shimano SLX
Handlebar: Rocky Mountain AM | 780mm Width | 25mm Rise | 9° Backsweep | 5° Upsweep | 35mm Clamp
Weight kg: 15.71
Rear shock: Fox Float DPX2 Performance | Sealed Bearing Eyelet | 25x8mm F Hardware | SM = 210x55mm | MD - LG - XL = 230x60mm | Size-Specific tune in FAQ
Travel rear mm: 160
Rear derailleur: Shimano XT
Travel front mm: 170

Geometry

L 29: Reach mm: 480; Stack mm: 634; Wheelbase mm: 1249; Head angle deg: 65; Seat angle deg: 76
M 29: Reach mm: 455; Stack mm: 620; Wheelbase mm: 1217; Head angle deg: 65; Seat angle deg: 76
XL 29: Reach mm: 510; Stack mm: 647; Wheelbase mm: 1285; Head angle deg: 65; Seat angle deg: 76
M 27.5: Reach mm: 455; Stack mm: 606; Wheelbase mm: 1199; Head angle deg: 65; Seat angle deg: 76
S 27.5: Reach mm: 430; Stack mm: 596; Wheelbase mm: 1171; Head angle deg: 65; Seat angle deg: 76

Launch price read from Rocky Mountain's US model-year page captured 2020-09 (inside the model year). list_price_usd is the later price Rocky Mountain's archive page shows today. Geometry is the Neutral position of the adjustable geometry chip. Geometry keys carry the wheel size. 2 factory colorways.

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