Bike Comparison
    Growler Jr 242020 Rocky Mountain
    Recommended
    Precaliber 202024 Trek
    MSRP
    		$719$329
    Where to Buy
    —
    $1

    At

    $329

    At Trek

    Category
    		Mountain YouthMountain Youth
    Weight
    		12.0 lbs–30.6 lbs20.3 lbs
    3.1
    Frame
    		AluminumAluminum
    Fork
    		Suntour XCM (coil)Steel
    Wheels
    		AluminumAluminum
    Wheel Size
    		24″20″
    Brakes
    		Hydraulic DiscCoaster
    Groupset
    		Altus, SunRace
    Drivetrain
    		1 × 8
    Suspension
    		HardtailRigid
    Front Travel
    		80mm-
    Brand Site

    bikes.com

    trekbikes.com

    Summary
    		The Rocky Mountain Growler Jr 24 is a 24″ aluminum frame mountain youth bike with modest components and hydraulic disc brakes.
    Similar Bikes
    Accessories
    Gear Range

    A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

    Lowest gear

    (climbing)

    18 mph

    2020 Growler Jr 24

    Highest gear

    (descending)

    Spec Level

    Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

    Geometry
    Specs
    Growler Jr 242020 Rocky Mountain
    Precaliber 202024 Trek
    Frame

    Rocky Mountain 6061 Alloy. Threaded BB. Tapered Zerostack Headtube. Dropper Post Compatible.

    BB Standard: BSA, Threaded

    Alpha Silver Aluminum, 20'' kids' frame size

    BB Standard: BSA, Threaded

    Fork

    Suntour XCM30 80mm

    Kid's steel fork

    Bottom Bracket

    Sealed Cartridge Bearing

    Square taper, 68mm, sealed cartridge

    Headset

    FSA No. 57B-1

    Adjustable ball bearing, threadless

    Stem

    Rocky Mountain XC

    Bontrager Approved alloy, 25.4mm clamp, 15 degree rise, 60mm

    Handlebar

    Rocky Mountain XC 700mm

    Kids' steel, 25.4mm clamp, 40mm rise, 560mm width

    Saddle

    Rocky Mountain Pivotal Kids

    Kids' padded, integrated seatpost, with handle

    Seatpost

    Rocky Mountain Pivotal 30.9mm

    Pedals

    Nylon Platform

    Kids' Satellite, 9/16 thread

    Grips

    Rocky Mountain Lock On Light

    Kids' grip, 107mm width

    Groupset
    Rear Derailleur

    Shimano Altus 8 Spd

    Crank

    Rocky Mountain Microdrive 28T

    ProWheel alloy, 32T steel ring w/double guard, 127mm length

    Shifters

    SunRace DLM400 Trigger

    Cassette

    SunRace CSM680 11-40T 8 Spd

    Chain

    KMC Z8.3

    HV410, 1/2x1/8

    Brakes

    Shimano MT200 2 Piston

    Alloy linear-pull

    Brake Levers

    Shimano MT200

    Kids', alloy

    Wheels
    Rims

    Rocky Mountain JR30

    Alloy 20'', 32-hole, schrader valve

    Spokes

    2.0 Stainless

    Front Hub

    Shimano MT400 Boost 15mm

    Steel, 100mm, nutted axle

    Rear Hub

    Shimano TX505

    Coaster brake, 19T, 110mm bolt-on

    Tires

    VeeTire Crown GEM 24x2.6

    Bontrager XR1, wire bead, 27 tpi. 20x2.25''

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