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Today’s Deals2023 Rocky Mountain
Growler 20
A 29″ aluminum frame hardtail trail bike with upper mid-range components.
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Manufacturer Price
$1,499| Weight | 33.5 lbs |
|---|---|
| Frame | Aluminum |
| Suspension | Hardtail, 130mm |
| Fork | Suntour XCM |
| Wheels | 29″ Aluminum |
| Drivetrain | 1 × 10 |
| Groupset | microSHIFT Advent X |
| Brakes | Shimano Hydraulic Disc |
| Seatpost | Dropper |
Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.
Compare the full Growler model range
View Comparison5'2" – 5'7"
5'5" – 5'10"
5'8" – 6'3"
6'1" – 6'6"
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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.
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.
Progressive geometry and plenty of kid friendly features
A bit on the heavy side
Oct 2020 · McCoy
Enduro geometry on a hardtail?
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...
Aggressive geometry
Built to last
Killer tires
May be overkill for riders/trails
Sluggish in tight spaces
Dec 2019
Rocky brings modern hardtail geometry at an entry-level price with the 1000 USD Growler 20...
Great geometry with 64° head angle at $1000
Future-proof frame with Boost 148, tapered headtube, BSA BB
Shared aluminum frame across all Growler models
Capable 29×2.6" WTB Trail Boss tires
Good Shimano MT201 brakes with modulation
Solid climbing and descending performance for the price
Upgrade-friendly
Stiff aluminum frame
Chain guide prevents dropped chain
No dropper post
Hard plastic grips are awful
Clutchless Altus drivetrain noisy and drops gears under load
Suntour fork overdamped with undamped blow-off
Resin-only rotors and Centerlock hubs
Square taper crankset flexes
Drivetrain doesn't shift under load
Seatpost length short for steep STA on smaller sizes
Jul 2025 · Easton N
This bike is so nice even online photos don’t do justice. The Growler 20 is an aggressive mountain bike with a slacker frame, but it comes with entr
Aggressive geometry
Can handle pretty tough and advanced terrains
Comes with a dropper post
Large tire clearance
Front suspension of 130mm travel.
Beautiful paint job
Suntour forks are known for being stiffer and heavier
Does not have a fork lockout.
| Frame | Rocky Mountain 6061 Alloy | Threaded BB | Boost 148mm | Tapered Zerostack Headtube | Dropper Post Compatible. Rear Triangle BB Standard: BSA, 73mm, Threaded Colors: Red / Blue; Black / Brown |
|---|---|
| Fork | Suntour XCM34 DS 130mm Travel: 130mm Spring Type: Coil |
| Bottom Bracket | Sealed Cartridge Bearing |
| Headset | Rocky Mountain | Loose Ball Bearings | 1.5" Crown Race |
| Stem | Rocky Mountain 31.8 XC | 7° Rise | All Sizes = 40mm |
| Handlebar | Rocky Mountain AM | 780mm Width | 25mm Rise | 9° Backsweep | 5° Upsweep | 31.8 Clamp |
| Saddle | Rocky Mountain 148 Steel |
| Seatpost | Rocky Mountain Toonie Drop Composite 30.9mm | SM = 125mm | MD = 150mm | LG - XL = 170mm Type: Dropper |
| Grips | Rocky Mountain Lock On Light |
| Rear Derailleur | MicroShift Advent X 10spd With Clutch |
|---|---|
| Crank | Rocky Mountain Microdrive 3PC | 28T |76mm Asymmetrical BCD | Crank Length: XS-SM-MD = 170-mm | LG - XL = 175mm |
| Shifters | MicroShift Advent X 10spd |
| Cassette | Shimano Deore 11-46T 10spd |
| Chain | KMC X10-1 |
| Brakes | Shimano MT4100 2 Piston | Resin Pads | F:Shimano RT10 180mm | R:Shimano RT10 180mm Type: Shimano Hydraulic Disc |
| Rims | Rocky Mountain TR30 Tubeless | 32H | Tubeless Compatible - Tape / Valves / Sealant Not Incl |
|---|---|
| Spokes | 2.0 Stainless |
| Front Hub | Rocky Mountain Boost 15mm |
| Rear Hub | Shimano MT400 Boost 148mm |
| Tires | F: Kenda Amrak 29 x 2.6 // R: Kenda Amrak 29 x 2.6 |
First added February 4
Last updated May 3
Not listed for 419 days