MountainVerified spec

2021 Rocky Mountain Fusion 40

Launched at $1,199Lists today at $1,249 (2026-09)

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What a used one is worth

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New

$670

$433 to $807

Like new

$636

$411 to $767

Excellent

$603

$389 to $727

Good

$502

$324 to $605

Fair

$368

$238 to $444

For parts

$201

$130 to $242

From the launch price, aged to 2026 and adjusted for condition. Guidance from our catalog, not an appraisal.

Overview

Brand: Rocky Mountain
Model family: Fusion
Model year: 2021
Category: Mountain · trail
Frame material: aluminum
Sizes: S, M, L, XL
Wheel size: 29
Launch MSRP (US): $1,199
Current list price: $1,249 (as of 2026-09)

Drivetrain

Speeds: 12
Groupset: SRAM SX Eagle
Electronic: false

Build

Fork: RockShox Judy Silver Fast Black TK Air 100mm
Stem: Rocky Mountain XC | 7° Rise | All Sizes = 50mm
Tires: F: WTB Ranger Comp 29 x 2.4 // R: WTB Ranger Comp 29 x 2.4
Brakes: Shimano MT201 2 Piston | Organic Pads | Shimano RT10 160mm F Rotor | Shimano RT10 160mm R Rotor
Saddle: WTB Volt | Steel Rails | 142mm Width
Wheels: WTB ST i30 TCS 2.0 Tubeless | Tubeless Compatible - Tape | Valves | Sealant Not Incl rims; hubs: Shimano TX505 / Shimano TX505 QR
Cassette: Sram PG-1210 11-50T
Crankset: Sram SX Eagle Powerspline 30T
Seatpost: Rocky Mountain 30.9mm
Shifters: Sram SX Eagle
Handlebar: Rocky Mountain XC | 760mm Width | 25mm Rise | 9° Backsweep | 5° Upsweep | 31.8mm Clamp
Rear derailleur: Sram SX Eagle
Travel front mm: 100

Geometry

L: Reach mm: 475; Stack mm: 607; Chainstay mm: 445; Wheelbase mm: 1209; Head angle deg: 66.5; Seat angle deg: 74.5
M: Reach mm: 450; Stack mm: 598; Chainstay mm: 445; Wheelbase mm: 1180; Head angle deg: 66.5; Seat angle deg: 74.5
S: Reach mm: 425; Stack mm: 593; Chainstay mm: 445; Wheelbase mm: 1153; Head angle deg: 66.5; Seat angle deg: 74.5
XL: Reach mm: 500; Stack mm: 616; Chainstay mm: 445; Wheelbase mm: 1238; Head angle deg: 66.5; Seat angle deg: 74.5

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.

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