Is the Growler 40 good for beginners?

Yes. The stable geometry, wide tires and wide gear range make it forgiving for newer riders. It is heavier than a race hardtail, but that is rarely a problem for learning.

Can it handle jumps and bike-park riding?

It is a hardtail with front suspension only, so it suits flow trails and small jumps. Big drops and rough descents will feel harsh compared with a full-suspension bike.

What is the difference from the Growler 20?

The 40 steps up to a 12-speed Shimano drivetrain and better components than the lower Growler models. That gives a wider gear range and more reliable shifting on climbs.

Are the 2.6-inch tires tubeless ready?

The rims and tires on the Growler 40 are generally tubeless compatible, so a conversion is possible. Check the exact rims on your build before buying sealant.

Does it work for commuting as well as trails?

It can, but the wide knobby tires and front suspension make it slower and heavier on pavement. A second wheelset or slicker tires helps for daily commuting.

What do buyers say about the Rocky Mountain Growler 40 Shimano 29 Mountain Bike?

Rated 4.4 out of 5 from 10 ratings.

Rocky Mountain Growler 40 Shimano 29 Mountain Bike

Best price now

$1,438.93at REIChecked 2 h ago

Prices are checked against each store and labelled with when.

Visit REI

Rocky Mountain Growler 40 Shimano 29 Mountain Bike

Best price now

$1,438.93at REIChecked 2 h ago

Prices are checked against each store and labelled with when.

Visit REI

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Price facts

Lowest price today: $1,438.93 at REI (checked Nov 11, 2026).

Our take on the Rocky Mountain Growler 40 Shimano 29 Mountain Bike

The Growler 40 is Rocky Mountain's aluminum hardtail trail bike with 29-inch wheels and 2.6-inch tires, built around a 12-speed Shimano drivetrain and a front suspension fork. It is a confident, grippy all-rounder for riders who want one bike for singletrack, bike-park laps and commuting. The wide tires and slack-ish geometry make it more sure-footed than lighter XC hardtails, though it is heavier and less racy. Owners rate it well for value and trail capability.

Best forTrail riders wanting a durable aluminum hardtailRiders moving up from an entry-level bikeMixed use on dirt, gravel and pavementBigger or heavier riders wanting wide tires

Pros

12-speed Shimano gearing gives a wide range for climbs
2.6-inch tires add grip and cushioning on rough trails
Aluminum frame handles knocks and crashes well
Front suspension smooths roots and rocks
29-inch wheels roll fast and carry speed

Cons

Heavier than carbon or XC-focused hardtails
No rear suspension, so rough descents are jarring
Wide tires add rolling resistance on pavement
Stock contact points are basic on a bike at this level

Rocky Mountain Growler 40 Shimano 29 Mountain Bike prices at every store

REINew
In stock
$1,438.93Checked 2 h ago
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Rocky Mountain Growler 40 Shimano 29 Mountain Bike price history

Lowest price we've seen: $1,438.93 on Nov 11 at REI. Tracked across 1 store since Nov 11.

What reviewers say

4.4 / 510 ratings

Owners rate the Growler 40 around 4.4 out of 5. They like the planted feel, the wide tires and the reliable Shimano 12-speed shifting for the money. Some find it heavy and note the tires drag on smooth surfaces.

What people mention

TiresMixedRiders like the grip and cushioning of the 2.6-inch tires but say they roll slowly on pavement.
WeightCriticisedSome owners find the bike heavier than they expected for a hardtail.
DrivetrainPraisedThe 12-speed Shimano setup shifts reliably and covers steep climbs.
Ride feelPraisedOwners describe the bike as planted and confident on rough trails.
BuildPraisedThe aluminum frame is seen as tough and well put together.

About the Rocky Mountain Growler 40 Shimano 29 Mountain Bike

The Rocky Mountain Growler 40 is a 29-inch mountain bike with an aluminum frame and front suspension. It runs on 2.6-inch tires.

It has a Shimano drivetrain with 12 speeds.

Frame: Aluminum
Suspension: Front suspension
Speeds: 12-speed
Tire width: 2.6 inches
Colors: Red/Pink, Blue/Yellow/Black

Specifications

Suspension Type: Front Suspension
Frame Material: Aluminum
Color: Red/Pink, Blue/Yellow/Black
Number Of Speeds: 12 speed
Tire Width: 2.6 inch tires

Questions and answers

Is the Growler 40 good for beginners?: Yes. The stable geometry, wide tires and wide gear range make it forgiving for newer riders. It is heavier than a race hardtail, but that is rarely a problem for learning.
Can it handle jumps and bike-park riding?: It is a hardtail with front suspension only, so it suits flow trails and small jumps. Big drops and rough descents will feel harsh compared with a full-suspension bike.
What is the difference from the Growler 20?: The 40 steps up to a 12-speed Shimano drivetrain and better components than the lower Growler models. That gives a wider gear range and more reliable shifting on climbs.
Are the 2.6-inch tires tubeless ready?: The rims and tires on the Growler 40 are generally tubeless compatible, so a conversion is possible. Check the exact rims on your build before buying sealant.
Does it work for commuting as well as trails?: It can, but the wide knobby tires and front suspension make it slower and heavier on pavement. A second wheelset or slicker tires helps for daily commuting.
Where is the Rocky Mountain Growler 40 Shimano 29 Mountain Bike cheapest?: At REI, for $1,438.93, as of our latest check.
What do buyers say about the Rocky Mountain Growler 40 Shimano 29 Mountain Bike?: Rated 4.4 out of 5 from 10 ratings.

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Stores we've priced the Rocky Mountain Growler 40 Shimano 29 Mountain Bike at

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More from Rocky Mountain

All Rocky Mountain deals and products →