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2021 Rocky Mountain Growler 40

Launched at $1,599Lists today at $1,669 (2026-09)

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What a used one is worth

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New

$893

$577 to $1,077

Like new

$849

$548 to $1,023

Excellent

$804

$519 to $969

Good

$670

$433 to $807

Fair

$491

$317 to $592

For parts

$268

$173 to $323

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

Overview

Brand: Rocky Mountain
Model family: Growler
Model year: 2021
Category: Mountain · trail
Frame material: aluminum
Sizes: S, M, L, XL
Wheel size: 29
Launch MSRP (US): $1,599
Current list price: $1,669 (as of 2026-09)

Drivetrain

Speeds: 12
Groupset: Shimano Deore
Electronic: false

Build

Fork: Suntour Raidon 34 LOR Air Boost 140mm
Stem: Rocky Mountain XC | 7° Rise | All Sizes = 40mm
Tires: F: WTB Vigilante TCS Light High Grip Tri-Tec 29 x 2.6 // R: WTB Trail Boss G2 TCS Light Fast Rolling Tri-Tec 29 x 2.6
Brakes: Tektro HD-M285 | Shimano Pad Compatible | 180mm F Rotor | 180mm R Rotor
Saddle: WTB Volt | Steel Rails | 142mm Width
Wheels: WTB ST i30 TCS 2.0 Tubeless | Tubeless Ready - Tape | Valves Incl rims; hubs: Shimano MT410 | 15mm Boost / Shimano MT410 Boost 148mm | RMB Axle | 163mm x 12mm x 1.5m
Cassette: Shimano Deore 10-51T 12spd
Crankset: Shimano Deore 12spd 30T
Seatpost: Rocky Mountain Toonie Drop Alloy | 30.9mm | S = 125mm | MD = 150mm | LG - XL = 170mm
Shifters: Shimano Deore 12spd
Handlebar: Rocky Mountain AM | 800mm Width | 25mm Rise | 9° Backsweep | 5° Upsweep | 31.8mm Clamp
Rear derailleur: Shimano Deore 12spd
Travel front mm: 140

Geometry

L: Reach mm: 475; Stack mm: 643; Chainstay mm: 435; Wheelbase mm: 1239; Head angle deg: 64; Seat angle deg: 75
M: Reach mm: 450; Stack mm: 634; Chainstay mm: 435; Wheelbase mm: 1210; Head angle deg: 64; Seat angle deg: 75
S: Reach mm: 425; Stack mm: 630; Chainstay mm: 435; Wheelbase mm: 1183; Head angle deg: 64; Seat angle deg: 75
XL: Reach mm: 500; Stack mm: 652; Chainstay mm: 435; Wheelbase mm: 1269; Head angle deg: 64; Seat angle deg: 75

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. 2 factory colorways.

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