Bicycle Archive · Specification report

2022 Rocky Mountain Growler 20

Velopedia Archive ID 900004890

Overview

Model year	2022
Brand	Rocky Mountain
Model	Growler 20
Bicycle type	Mountain
Archive ID	900004890
Original MSRP	$1,399.00
Colors	GOLD/YELLOW; BLACK/RED
Sizes	SM; LG; MD; XL

Frameset

Frame construction	Rocky Mountain 6061 Alloy. Threaded BB. Boost 148mm. Tapered Zerostack Headtube. Dropper Post Compatible. Rear Triangle
Frame material	Aluminum
Fork	Suntour XCM34 DS 130mm

Drivetrain

Shifters	MicroShift Advent X 10spd
Rear derailleur	MicroShift Advent X 10spd With Clutch
Crankset	Rocky Mountain Microdrive 3PC \| 28T \|76mm Asymmetrical BCD \| Crank Length: XS-SM-MD = 170-mm \| LG - XL = 175mm
Bottom bracket	Sealed Cartridge Bearing
Cassette	MicroShift CS-H104 11-48T
Chain	KMC X10-1

Brakes

Brakes	Clarks M2 2 Piston \| Resin Pads \| F: Shimano RT10 180mm \| R: Shimano RT10 180mm

Cockpit & contact points

Headset	Rocky Mountain \| Loose Ball Bearings \| 1.5" Crown Race
Handlebar	Rocky Mountain AM \| 780mm Width \| 25mm Rise \| 9° Backsweep \| 5° Upsweep \| 31.8 Clamp
Stem	Rocky Mountain 31.8 AM \| 7° Rise \| All Sizes = 40m
Saddle	Rocky Mountain 148 Steel
Seatpost	Rocky Mountain Toonie Drop Composite 30.9mm \| SM = 125mm \| MD 150mm \| LG - XL = 170mm

Wheels & tires

Hubs	Front: Rocky Mountain Boost 15mm; Rear: Rocky Mountain Boost 148mm
Rims	Rocky Mountain TR30 Tubeless \| 32H \| Tubeless Compatible - Tape \| Valves \| Sealant Not Incl
Spokes	2.0 Stainless
Front tire	Kenda Amrak 29 x 2.6
Rear tire	Kenda Amrak 29 x 2.6
Wheel size	29"

Geometry · SM · 29″

Seat tube	380 mm
Effective top tube	593 mm
Head tube	95 mm
Head-tube angle	64°
Seat-tube angle	75°
Chainstay / rear center	435 mm
Wheelbase	1183 mm
Bottom-bracket drop	55 mm
Reach	425 mm
Stack	630 mm
Standover height	779 mm
Wheel size	29

Geometry · MD · 29″

Seat tube	420 mm
Effective top tube	620 mm
Head tube	100 mm
Head-tube angle	64°
Seat-tube angle	75°
Chainstay / rear center	435 mm
Wheelbase	1210 mm
Bottom-bracket drop	55 mm
Reach	450 mm
Stack	634 mm
Standover height	802 mm
Wheel size	29

Geometry · LG · 29″

Seat tube	445 mm
Effective top tube	647 mm
Head tube	110 mm
Head-tube angle	64°
Seat-tube angle	75°
Chainstay / rear center	435 mm
Wheelbase	1239 mm
Bottom-bracket drop	55 mm
Reach	475 mm
Stack	643 mm
Standover height	804 mm
Wheel size	29

Geometry · XL · 29″

Seat tube	480 mm
Effective top tube	675 mm
Head tube	120 mm
Head-tube angle	64°
Seat-tube angle	75°
Chainstay / rear center	435 mm
Wheelbase	1269 mm
Bottom-bracket drop	55 mm
Reach	500 mm
Stack	652 mm
Standover height	818 mm
Wheel size	29

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on November 10, 2026.