Rocky Mountain Rocky Mountain Growler 40 Shimano
Rocky Mountain Rocky Mountain Growler 40 Shimano

Rocky Mountain Growler 40 Shimano


The Growler proves that the secret order of hardtail trail shredders is alive and thriving.

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Article number: SRMAJ2218830
Availability: In stock


The Growler proves that the secret order of hardtail trail shredders is alive and thriving. Sure, it’s got that classic hardtail profile. But 21st century touches across the platform reveal a future proofed, instant classic. 29x2.6 tires for ridiculous grip. An aggressive ride character for surprising levels of confidence while descending or ripping tough trails. A refreshingly simple (and tough) package for rowdy days at the trails. More satisfying than a tropical IPA growler fill on a hot day—and way, way faster. Cheers, eh.

Intended use: Trail

Rear travel: Hardtail

5-year warranty, transferable to second owners

We believe in our products, that's why we offer 5-year warranty on our frames, extended to second owners.



FORM™ Alloy

FORM™ tubesets utilize premium materials to meet our strict requirements. Each FORM™ tube that we create is engineered for its specific purpose within the frame, ensuring optimized strength, weight, and ride quality.



Frame   Cassette
Rocky Mountain 6061 Alloy | Threaded BB | Boost 148mm | Tapered Zerostack Headtube | Dropper Post Compatible. Rear Triangle   SunRace CSMZ800 WA10 11-51T
Fork   Chain
Suntour Raidon 34 LOR Air Boost 140mm
  Shimano M6100
Front Travel   Front Hub
140   Rocky Mountain Sealed Boost 15mm
Headset   Rear Hub
Rocky Mountain | Loose Ball Bearings | 1.5" Crown Race   Rocky Mountain Sealed Boost 148mm
Stem   Spokes
Rocky Mountain 31.8 XC | 7° Rise | All Sizes = 40mm
  2.0 Stainless
Handlebar   Rims
Rocky Mountain AM | 800mm Width | 25mm Rise | 9° Backsweep | 5° Upsweep | 31.8 Clamp   WTB ST i30 TCS 2.0 Tubeless | 32H | Tubeless Ready - Tape / Valves Included
Grips   Tires
Rocky Mountain Lock On Light   F: Maxxis Minion DHF 2.6 EXO Tubeless Ready // R: Maxxis Minion DHR II 2.6 EXO Tubeless Ready
Brakes   Seatpost
Shimano MT4100 2 Piston | Resin Pads | F:Shimano RT30 180mm | R:Shimano RT30 180mm   Rocky Mountain Toonie Drop Alloy 30.9mm | XS - SM = 125mm | MD = 150mm | LG - XL = 170mm
Shifters   Saddle
Shimano Deore 12spd   Rocky Mountain 148 Steel
Rear Derailleur   Weight
Shimano Deore 12spd   This information isn't available yet. We will update the weight of this model as soon as possible.
Cranks & Chainring   Notes
Rocky Mountain Microdrive 2PC | 30T |Direct Mount| 24mm Spindle | Crank Length: XS-SM-MD = 170-mm | LG - XL = 175mm   We make every effort to ensure accuracy, but reserve the right to update specifications & prices without notification.
Bottom Bracket    
Rocky Mountain Sealed - Shimano Compatible    


Wheel size



These figures are a rough guide only. Rider proportions, riding style, and personal preferences all factor in choosing the correct bike size. Rocky Mountain always recommends test riding and professional bike fitting at an authorized dealer.

  cm inches
157.5 - 170 cm 5’2” - 5’7”
M 167.5 - 177.5 cm 5’6” - 5’10”
L 175 - 188 cm 5’9” - 6’2”
XL 185.5 - 198 cm 6’1” - 6’6”
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