Growler 20 Mountain Bike
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Confident geometry and 130mm travel make the Rocky Mountain Growler 20 Mountain Bike trail-tough
What Our Gearhead® Experts Are Saying:
"The Growler 20 is such a solid value for riders getting into aggressive trail riding. The 130mm fork and long front end give it a stable ride feel, and the 2.6in tires really help it float over rough ground. It’s simple, durable, and surprisingly well-equipped for how affordable it is."
Built for technical trails and rowdy descents, the Rocky Mountain Growler 20 Mountain Bike blends classic hardtail toughness with modern trail features. The 6061 aluminum frame sports a slack front end and dropper-post compatibility for confident control in steep and technical terrain. Paired with a 130mm Suntour XCM34 suspension fork and 29 x 2.6in tires, this bike smooths out rocky sections and keeps you tracking through the rough.
The MicroShift Advent X 10-speed drivetrain provides simplicity without compromising performance, using a wide-range 11–48T cassette for steep climbs and fast flats. Clarks M2 2-piston hydraulic disc brakes with 180mm rotors deliver ample stopping power. A Rocky Mountain Toonie Drop seatpost comes stock, allowing quick on-the-fly adjustments for climbing and descending.
Tubeless-ready TR30 wheels, wide 780mm bars, and a thoughtfully specced cockpit round out the build. Perfect for riders who want a capable, budget-conscious trail bike with all the key modern touches to grow their confidence on challenging terrain.
Details
- Hardtail mountain bike with progressive geometry for confident trail riding
- Suntour XCM34 fork with 130mm travel smooths out chunky trails
- 29 x 2.6in Kenda Amrak tires add grip and cushion over rough terrain
- MicroShift Advent X 10-speed drivetrain keeps shifting simple and durable
- Clarks M2 hydraulic disc brakes with 180mm rotors add reliable stopping power
- Dropper post and wide bars boost trail capability and descending confidence
- Tubeless-compatible TR30 rims with tape and valves included
- Ideal for riders seeking a capable yet low-maintenance trail bike
- Heads up - We do our best to keep bike specs and images current, but occasional component changes can happen without warning-and sometimes the photos might not show the exact build you'll receive. If you want to double-check the details, our Gearheads are always here to help.
- Item #RMBB04C
- Frame Material
- alloy
- Suspension
- hardtail
- Fork
- Suntour XCM34 DS
- Front Travel
- 130mm
- Shifters
- MicroShift Advent X (10-speed)
- Rear Derailleur
- MicroShift Advent X (10-speed)
- Chainring Sizes
- 28t
- Cassette
- MicroShift CS-H104
- Cassette Range
- 11–48t
- Chain
- KMC X10-1
- Brakeset
- Clarks M2 2-Piston
- Brake Type
- hydraulic disc
- Rotors
- Shimano RT10 (180mm)
- Handlebar
- Rocky Mountain AM
- Handlebar Rise
- 25mm
- Grips
- Rocky Mountain Lock On
- Saddle
- Rocky Mountain 148 Steel
- Seatpost
- Rocky Mountain Toonie Drop
- Wheelset
- Rocky Mountain TR30
- Front Axle
- 15mm Boost
- Rear Axle
- 148mm Boost
- Tires
- Kenda Amrak
- Tire Size
- 29 x 2.6in
- Pedals
- not included
- Activity
- trail
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