MountainE-bikeVerified spec

2021 Rocky Mountain Altitude Powerplay Carbon 90 Rally Edition

Launched at $8,999Lists today at $9,399 (2026-09)

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What a used one is worth

Open the value tool

New

$5,029

$3,247 to $6,059

Like new

$4,777

$3,085 to $5,756

Excellent

$4,526

$2,923 to $5,453

Good

$3,771

$2,436 to $4,544

Fair

$2,766

$1,786 to $3,332

For parts

$1,509

$974 to $1,818

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 Powerplay
Model year: 2021
Category: Mountain · enduro
Frame material: carbon
Sizes: S, M, L, XL
Wheel size: 27.5
Launch MSRP (US): $8,999
Current list price: $9,399 (as of 2026-09)

Drivetrain

Speeds: 12
Groupset: Shimano Deore XT
Electronic: false

Build

Fork: Fox 38 Float EVOL GRIP2 Factory Series 160mm | 37mm Offset
Stem: Rocky Mountain 35 AM | 5° Rise | All Sizes = 40m
Tires: F: Maxxis Minion DHF 2.5 WT 3C MaxxGrip DD Tubeless Ready // R: Maxxis Minion DHR II 2.4 WT 3C MaxxGrip DD Tubeless Ready
Brakes: Shimano XT Trail 4 Piston | Metal Pads | RT86 203mm F Rotor | RT86 203mm R Rotor
Saddle: WTB Volt Race | Cromoly Rails | 142mm Width
Wheels: Race Face ARC 30 | Tubeless Ready - Tape | Valves Incl | 32H rims; hubs: Rocky Mountain Sealed Boost 15mm / DT Swiss Hybrid 350 Boost 148mm | RMB Axle | 163mm x 12mm x 1.5mm
Cassette: Shimano XT 10-51T
Crankset: Race Face Aeffect R Cinch 34T | 24mm Spindle | 170mm Crank Length
Seatpost: Race Face Turbine R (by Fox) Dropper 30.9mm | SM = 125mm | MD - LG = 150mm | XL = 175mm
Shifters: Shimano XT
Handlebar: Rocky Mountain AM | 780mm Width | 38mm Rise | 9° Backsweep | 5° Upsweep | 35mm Clamp
Rear shock: Fox Float DPX2 Factory | Sealed Bearing Eyelet | 25x8mm F Hardware | 210x55mm
Travel rear mm: 150
Rear derailleur: Shimano XT
Travel front mm: 160

Motor and battery

Class: 1
Motor: Dyname 3.0 Class 1 eMTB Drive | 250w | 108Nm
Battery wh: 672

Geometry

L: Reach mm: 458; Stack mm: 610; Chainstay mm: 425; Wheelbase mm: 1205; Head angle deg: 65.6; Seat angle deg: 74.6
M: Reach mm: 435; Stack mm: 600; Chainstay mm: 425; Wheelbase mm: 1179; Head angle deg: 65.6; Seat angle deg: 74.6
S: Reach mm: 413; Stack mm: 579; Chainstay mm: 425; Wheelbase mm: 1156; Head angle deg: 65; Seat angle deg: 74.6
XL: Reach mm: 484; Stack mm: 623; Chainstay mm: 425; Wheelbase mm: 1238; Head angle deg: 65.6; Seat angle deg: 74.6

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.

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