Bike Comparison
    Hotrock 202020 Specialized
    Recommended
    MSRP
    $370
    Where to Buy
    —
    $1

    At

    Category
    		General Youth
    2.0
    Frame
    		Aluminum
    Fork
    Wheels
    		Aluminum
    Wheel Size
    		26″
    Brakes
    		Rim
    Motor
    Battery
    Groupset
    		Tourney
    Drivetrain
    		1 × 7
    Suspension
    		Hardtail
    Front Travel
    		40mm
    Brand Site

    specialized.com

    Summary
    		The Specialized Hotrock 20 is a 26″ aluminum frame general youth bike with mid-range components and rim 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)

    21 mph

    Hotrock 20

    Highest gear

    (descending)

    Spec Level

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

    Geometry
    Specs
    Hotrock 202020 Specialized
    Frame

    Specialized A1 Premium Aluminum, single-butted, unisex frame, replaceable derailleur hanger

    Fork

    SR Suntour XCT-JR, coil spring w/ preload adjust, 1-1/8" steerer, quick-release, V-brake & post-mount disc compatible, 40mm of travel

    Stem

    20-degree rise, 25.4mm

    Handlebar

    Double-butted alloy, 5-degree backsweep, 25.4mm

    Saddle

    Specialized Kids' Henge

    Seatpost

    Alloy, single-bolt, 27.2MM

    Pedals

    Nylon platform w/ reflectors

    Grips

    Specialized, slip-on

    Groupset
    Rear Derailleur

    Shimano Tourney RD-TX800, 8-speed

    Crank

    Forged alloy, square taper, 127mm w/ chainguard, Steel, 30T

    Shifters

    Shimano Tourney, grip shift, 7-speed

    Cassette

    SunRace, 7-Speed, 11-34t

    Chain

    KMC HV500

    Brakes

    Front: V-brake w/ tool-less reach adjust brake lever, Rear: V-brake w/ tool-less reach adjust brake lever

    Wheels
    Rims

    20" alloy, 16mm depth, 21mm internal width

    Spokes

    Stainless, 14g

    Front Hub

    Alloy, loose ball bearings, bolt type, 32h

    Rear Hub

    Shimano Tourney, 7-speed freehub, 32h

    Tires

    Front: Renegade, 26 TPI, wire bead, 20x2.1", Rear: Renegade, 26 TPI, wire bead, 20x2.1"

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