Bike Comparison
    MSRP
    $465$420
    Where to Buy
    $1

    At

    $420

    At Giant

    Category
    Mountain YouthMountain Youth
    2.5
    1.9
    AluminumAluminum
    Fork
    Suntour XCT (coil)Steel
    Wheels
    AluminumAluminum
    Wheel Size
    20″20″
    Brakes
    Mechanical DiscRim
    Groupset
    TourneyTourney, Shimano
    Drivetrain
    1 × 71 × 7
    Suspension
    HardtailRigid
    Front Travel
    60mm-
    Brand Site

    specialized.com

    giant-bicycles.com

    Summary
    The Specialized Riprock 20 is a 20″ aluminum frame mountain youth bike with mid-range components and mechanical disc brakes.
    Similar Bikes
    Accessories
    Ride Feel

    Based on frame geometry and build specs.

    Handling
    nimblestable
    2018 Riprock 20
    Other Mountain Youth bikes
    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)

    16 mph

    2018 Riprock 20

    14 mph

    2024 Talon 20 Lite

    Highest gear

    (descending)

    Spec Level

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

    Geometry
    Specs
    Frame

    Specialized A1 Premium Aluminum, single-butted, ZeroStack head tube, 135mm rear hub spacing, forged dropouts, replaceable derailleur hanger

    BB StandardBSA, Threaded

    ALUXX-grade aluminum

    BB StandardBSA, Threaded

    Fork

    SR Suntour XCT, coil spring, preload adjust, 60mm of travel

    high-tensile steel, rigid

    Shock

    N/A

    Bottom Bracket

    BSA, square taper

    semi-cartridge

    Stem

    3D-forged alloy, 4-bolt, 6-degree rise, 25.4mm clamp, 60mm

    forged alloy Ahead, 10-degree

    Handlebar

    Double butted aluminum, 5-degree backsweep, 580mm width, 25.4mm

    Giant Kids, alloy, 31.8mm, 10-degree rise, 60mm, custom taper design

    Saddle

    Specialized Kids Henge

    Explora Jr.

    Seatpost

    Alloy, single-bolt, 27.2mm

    alloy, single-bolt, 27.2x250mm

    Pedals

    Nylon platform w/ reflectors

    platform

    Grips

    Specialized, slip-on

    Giant Junior, custom taper design

    Groupset
    Rear Derailleur

    Shimano Tourney TX, 7-speed

    Shimano Tourney

    Front Derailleur

    N/A

    Crank

    Forged alloy, 127mm, Steel, 30T

    alloy, 32t, 140mm

    Shifters

    Shimano Tourney, RevoShift, 7-Speed

    Shimano REVOSHIFT, 1x7

    Cassette

    SunRace, 7-Speed, 11-34t

    14x34

    Chain

    KMC Z51, EPT anti-rust w/ Missing Link™

    KMC HV500

    Brakes

    Front: Mechanical disc, organic pads, 160mm/6-bolt rotor, tool-less reach adjust brake lever, Rear: Mechanical disc, organic pads, 160mm/6-bolt rotor, tool-less reach adjust brake lever

    alloy, linear pull

    Brake Levers

    alloy, junior MTB

    Wheels
    Rims

    20", double-wall aluminum, 28h

    Giant Kids 20", alloy

    Spokes

    Stainless, 14g

    stainless, 14g

    Front Hub

    Alloy, 6-bolt disc, 110mm spacing, loose ball bearings, QR, 28h

    nutted, 28h

    Rear Hub

    Alloy, 6-bolt disc, 135mm spacing, 7-speed freehub, loose ball bearings, QR, 28h

    nutted, 28h

    Tires

    Front: Big Roller, 60 TPI, wire bead, 20x2.8", Rear: Big Roller, 60 TPI, wire bead, 20x2.8"

    Giant Junior Sport, 20x1.95", 22 tpi

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