Bikes up to 60% offWe monitor over 40,000 bikes daily to find the best prices

Today’s Deals

2020 Rocky Mountain

Growler 20

A 29″ aluminum frame hardtail trail bike with mid-range components.
Compare the full range

Manufacturer Price

$999
FrameAluminum
SuspensionHardtail, 130mm
ForkSuntour XCM
Wheels29″ Aluminum
Drivetrain1 × 9
GroupsetAltus
BrakesShimano Hydraulic Disc
Learn about Rocky Mountain
Where to Buy
Similar Bikes
Top Comparison
Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Growler 20
Other Trail bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

22 mph

Growler 20

26 mph

Similar Bikes

Highest gear

(descending)

Sizing
SM

5'2" – 5'8"

MD

5'6" – 5'11"

LG

5'10" – 6'3"

XL

6'1" – 6'7"

🐐 Estimated

Rider Fit Notes

None yet.

Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.

Reviews

Summary

The Rocky Mountain Growler is a versatile mountain bike for youth, offering progressive geometry and kid-friendly features, though it's noted to be a bit heavy. It excels in downhill performance with aggressive geometry and stable handling, but some components like the basic Suntour fork and lack of a dropper post are drawbacks. The bike is praised for its affordability and solid build, making it a great option for young, aggressive riders.

Pros
  • Progressive geometry

  • Plenty of kid friendly features

  • Aggressive geometry for downhill performance

  • Affordable price with solid build

  • Stable and capable hardtail design

Cons
  • A bit on the heavy side

  • Basic Suntour fork with limited adjustability

  • Lack of a dropper post

  • No clutch derailleur leads to noise on technical trails

Key Quotes
'Good geometry should have no relation to price. Thanks Rocky Mountain!'
NSMB logoNSMB
The Rocky Mountain Growler is built to party. Plain and simple.
Outdoor Gear Lab logoOutdoor Gear Lab
The harder you push this bike, the better it feels.
Outdoor Gear Lab logoOutdoor Gear Lab

Feedback?

View all reviews

99 Spokes
2020 Rocky Mountain Growler Jr 24

Jun 2020

The Growler Jr 24 is a scaled down version of the popular hardtail from Rocky Mountain Bikes. Like its big brother, it’s a progressive hardtail shredding machine.

Highs
  • Progressive geometry and plenty of kid friendly features

Lows
  • A bit on the heavy side

Read Review

Mountain Bike Action
Mountain Bike Action Bike Test: Rocky Mountain Growler 50 Trail Bike

Oct 2020 · McCoy

Enduro geometry on a hardtail?

Read Review

Outdoor Gear Lab
Rocky Mountain Growler 50

Mar 2020 · Pat Donahue

The redesigned Rocky Mountain Growler 50 is a hard-charging hardtail with the attitude of an enduro bike. This aggressive bicycle lives for high speeds and...

Highs
  • Aggressive geometry

  • Built to last

  • Killer tires

Lows
  • May be overkill for riders/trails

  • Sluggish in tight spaces

Read Review

NSMB
2020 Rocky Mountain Growler 20

Dec 2019

Rocky brings modern hardtail geometry at an entry-level price with the 1000 USD Growler 20...

Highs
  • Progressive geometry with 64° head angle

  • Same frame as higher-end models, upgrade-friendly

  • Boost 148 thru-axle rear, tapered headtube, BSA bottom bracket

  • 29x2.6" WTB Trail Boss tires with clearance for more

  • Shimano MT201 brakes with good lever feel and modulation

  • Wide 780mm handlebar, WTB Volt saddle

  • Great climbability and descending capability for price

  • No major compatibility issues, tubeless ready

Lows
  • Hard plastic grips are awful; needed replacement

  • No clutch derailleur leads to drivetrain noise and occasional chain drop

  • Resin-only rotors and Centerlock hubs limit upgrade ease

  • Suntour fork is overdamped and has blow-off tendency on big hits

  • Square-taper crankset flex under load; drivetrain doesn't shift under load well

  • No dropper post included; seatpost may be short on smaller sizes

  • Brakes lack power compared to higher-end systems

Read Review

BIKE Magazine
Tested: Rocky Mountain Growler 50 | $1,900

Nov 2019

Modern geometry meets affordable hardtail in the Rocky Mountain Growler 50.

Read Review

Canadian Cycling Magazine
Rocky Mountain announce the 2017 Growler and Reaper

Aug 2016 · Philippe Tremblay

A versatile bike for growing youth and an affordable plus-sized alloy hardtail

Read Review

Geometry
Specs
Build
Frame

Rocky Mountain 6061 Alloy. Threaded BB. Boost 148mm. Tapered Zerostack Headtube. Dropper Post Compatible.

BB StandardBSA, 73mm, Threaded

Fork

Suntour XCM34 DS 130mm

Travel130mm

Spring TypeCoil

Bottom Bracket

FSA Sealed Cartridge Bearing

Headset

FSA No. 57B

Stem

Rocky Mountain XC

Handlebar

Rocky Mountain AM 780mm

Saddle

WTB Volt Race 142

Seatpost

Rocky Mountain 30.9mm

TypeRigid

Pedals

Alloy Platform

Grips

Rocky Mountain Lock On Light

Groupset
Rear Derailleur

Shimano Altus 9 Spd

Crank

Rocky Mountain Microdrive 28T

Shifters

Shimano Altus

Cassette

SunRace CSM980 11-40T

Chain

KMC X9

Brakes

Shimano MT201 2 Piston

TypeShimano Hydraulic Disc

Brake Levers

Shimano MT201

Wheels
Rims

WTB ST i30 TCS 2.0 Tubeless

Spokes

2.0 Stainless

Front Hub

Shimano MT400 Boost 15mm

Rear Hub

Shimano MT400 Boost 148mm

Tires

WTB Trail Boss G2 29 x 2.6

Rider Notes
Riders Also Viewed

First added October 4

Last updated April 14

Not listed for 1,886 days