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Today’s DealsGrowler 50
A 29″ aluminum frame hardtail enduro bike with high-end components.
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Manufacturer Price
2.099 $(1.831 €)| Weight | 14,5 kg |
|---|---|
| Frame | Aluminum |
| Suspension | Hardtail, 150mm |
| Fork | Marzocchi Bomber Z2 |
| Wheels | 29″ Aluminum |
| Drivetrain | 1 × 12 |
| Groupset | GX Eagle, SX Eagle |
| Brakes | Tektro Gemini Hydraulic Disc |
| Seatpost | Dropper |
157cm – 170cm
167cm – 178cm
175cm – 188cm
185cm – 198cm
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.
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...
Modern geometry with 64° head angle
Well-built aluminum frame with Boost 148, tapered headtube, BSA BB
Shared frame across all Growler models
29x2.6" tires with clearance for more
WTB Trail Boss tires are surprisingly capable
Shimano MT201 brakes have good feel and modulation
780mm handlebar
WTB Volt saddle is a solid choice
Good climbing traction
Stable descending due to geometry and tires
Future-proof and upgrade-friendly frame
Awful hard plastic grips
No clutch derailleur – loud drivetrain, chain drops under load
Basic Suntour fork is overdamped, non-adjustable, blow-off issues on big hits
Square-taper crank flexes under load
Altus drivetrain doesn't shift well under load
Brake power lackluster compared to higher-end systems
Resin-only rotors and Centerlock hubs limit upgrade ease
No dropper post
Seatpost may be too short for some riders (steep STA)
Wish for size-specific chainstays

Nov 2019
Modern geometry meets affordable hardtail in the Rocky Mountain Growler 50.
Jul 2023 · Scott Alexander
It's the most fun I've had on a hardtail! I ride all the same trails as on my FS enduro bike. My legs do feel pretty blown up by the end of a long des
Progressive geometry feels very capable in rowdy terrain
Inexpensive
Dropper post lever ergonomics are not great, and the post itself doesn't perform well
WTB saddle squeaks like mad 🐿️
| Frame | Rocky Mountain 6061 Alloy | Threaded BB | Boost 148mm | Tapered Zerostack Headtube | Dropper Post Compatible. Rear Triangle BB Standard: BSA, 73mm, Threaded Color: Orange / Blue/black |
|---|---|
| Fork | Marzocchi Z2 Float EVOL Rail 150mm | 44mm Offset Travel: 150mm Spring Type: Air |
| Bottom Bracket | SRAM DUB BSA 73 |
| Headset | Rocky Mountain ZS44|56 | Sealed 36°x45° Bearings | 30.2mm x 41mm x 7.1mm Upper | 40mm x 51.8mm x 7.5mm Lower | 1.5" Crown Race |
| Stem | Rocky Mountain 35 AM | 5° Rise | All Sizes = 40mm |
| Handlebar | Rocky Mountain AM | 800mm Width | 25mm Rise | 9° Backsweep | 5° Upsweep | 35 Clamp |
| Saddle | Rocky Mountain 148 Cromo |
| Seatpost | X Fusion Manic Alloy 30.9mm | XS - SM = 125mm | MD = 150mm | LG - XL = 170mm Type: Dropper |
| Grips | ODI Elite Pro Lock On |
| Rear Derailleur | SRAM GX Eagle |
|---|---|
| Crank | SRAM SX Eagle 30T |
| Shifters | SRAM GX Eagle |
| Cassette | SRAM PG-1210 11-50T |
| Chain | SRAM SX Eagle |
| Brakes | Tektro HD-M535 4 piston | Semi-Metallic Pads Type: Tektro Gemini Hydraulic Disc |
| Rims | Rocky Mountain TR30 Tubeless | 32H | Tubeless Compatible - Tape / Valves / Sealant Not Incl |
|---|---|
| Spokes | 2.0 Stainless |
| Front Hub | Rocky Mountain Sealed Boost 15mm |
| Rear Hub | Rocky Mountain Sealed Boost 148mm |
| Tires | F: Maxxis Minion DHF 2.6 EXO Tubeless Ready // R: Maxxis Minion DHR II 2.6 EXO Tubeless Ready // |
First added 11 August
Last updated 23 August
Not listed for 303 days