KidsVerified spec

2021 Rocky Mountain Growler Jr 20

Launched at $699Lists today at $729 (2026-09)

Own a 2021 Rocky Mountain Growler Jr 20?

Track its value in your garage, or list it for sale locally in a few taps.

Add to garage List yours

What a used one is worth

Open the value tool

New

$391

$252 to $471

Like new

$371

$240 to $447

Excellent

$352

$227 to $424

Good

$293

$189 to $353

Fair

$215

$139 to $259

For parts

$117

$76 to $141

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: Kids · trail
Frame material: aluminum
Sizes: One size
Wheel size: 20
Launch MSRP (US): $699
Current list price: $729 (as of 2026-09)

Drivetrain

Groupset: Shimano Altus
Electronic: false

Build

Fork: Suntour XCT JR 63mm
Stem: Rocky Mountain XC | 7° Rise | All Sizes = 40mm
Tires: F: Kenda Slant Six 20 x 2.6 // R: Kenda Amrak 20 x 2.4
Brakes: Shimano MT200 2 Piston | Organic Pads | Shimano RT10 160mm F Rotor | Shimano RT10 160mm R Rotor
Saddle: Rocky Mountain Pivotal Kids
Wheels: Rocky Mountain JR30 Tubeless | Tubeless Compatible - Tape | Valves | Sealant Not Incl rims; hubs: Shimano TX505 / Shimano TX505 QR
Cassette: SunRace CSM55 11-34T
Crankset: Rocky Mountain Microdrive 28T
Seatpost: Rocky Mountain Pivotal 30.9mm
Shifters: SunRace DLM403 Trigger
Handlebar: Rocky Mountain XC | 600mm Width | 25mm Rise | 9° Backsweep | 5° Upsweep | 31.8mm Clamp
Rear derailleur: Shimano Altus
Travel front mm: 60

Geometry

20": Reach mm: 340; Stack mm: 424; Chainstay mm: 360; Wheelbase mm: 925; Head angle deg: 66; Seat angle deg: 73

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.

For sale now

No Growler listed right now. Save a search in the app and get told when one appears.