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A purebred hardtail for young trail enthusiasts, the Diamondback Line 24" bike is equipped to handle the bumps and bruises of real mountain bike trails. It's a legit mountain bike, just smaller.

  • Features

    • Durable 6061 T-6 aluminum alloy frame with hydroformed tubes
    • SR Suntour XCT fork provides 80mm of front suspension travel with adjustable preload
    • 24 in. wheels are stiff and stable and are fitted with aggressive 2.35 in. wide Kenda tires
    • Wide-range SRAM 1 x 8 single-ring drivetrain offers excellent chain retention and easy shifting for young riders
    • Tektro Aries disc brakes with 160mm rotors deliver maximum stopping power

    Imported.

    Free Adjustment Period:
    New bikes go through a normal break-in period, after which they should be readjusted. All bicycles sold at REI include free adjustments for one year after purchase date—as many times as you need. Included: derailleur and brake adjustments, lateral wheel truing, hub and headset bearing adjustments, tire inflation and chain lubrication. Not included: replacement or installation of new components or accessories, any other services. Call your local REI Co-op Bike Shop for more information.
    View all Diamondback Kids' Mountain Bikes
  • Technical Specs

    Best Use

    Mountain Biking

    Mountain Bike Style

    Cross-country

    Bike Frame Material

    Aluminum

    Frame

    6061 aluminum

    Bike Suspension

    Front Suspension

    Fork

    SR Suntour XCT JR 24" w/ adjustable preload

    Fork Travel

    80 millimeters

    Crankset

    1x Alloy Arm, 32T chain ring, 155mm

    Bottom Bracket

    Sealed cartridge

    Shifters

    SRAM X4 8 speed

    Front Derailleur

    Not applicable

    Rear Derailleur

    SRAM X3, 8 speed

    Rear Cogs

    SRAM PG820 cassette, 8 speed, 11-32T

    Number of Gears

    8

    Brake Type

    Mechanical Disc Brake

    Brakes

    Tektro Aries mechanical disc, w/ 160mm rotors

    Brake Levers

    Tektro 2-finger Alloy Linear w/ reach adjust

    Rims

    32h Diamondback SL-7 doublewall

    Front Hub

    32h SL-7 Alloy w/ CNC disc mount

    Rear Hub

    32h SL-7 Alloy w/ CNC disc mount, cassette

    Wheel Size

    24 inches

    Tires

    Kenda Kinetics, 24x2.35 in.

    Tire Width

    2.35 inches

    Handlebar Shape

    Riser Bar

    Handlebar

    Diamondback Pro Bar, 720mm wide

    Stem

    Diamondback Shortie, 45mm reach, 31.8 bar bore

    Seat Post

    Alloy micro adjust 27.2mm

    Saddle

    DB Sync'r Jr.

    Pedals

    DB4L resin platform

    Headset

    FSA IS-3/NO.11 integrated style

    Chain

    KMC Z82, 8 speed

    Weight

    27 lbs. 12 oz.

    Bike Weight

    Bike weight is based on median size, as sold, or the average of two median sizes.

    Gender

    Kids'

  • Size Chart

    24 in
    Reach 335
    Stack 479
    Effective Top Tube 495
    Seat Tube Center-Top 318
    Standover Height 648
    Head Tube Length 105
    Head Tube Angle (degrees) 69
    Seat Tube Angle (degrees) 71
    Bottom Bracket Height -23
    Wheelbase 962
    Chainstay 410
    Fork Offset 40

    Sizing Notes

    Bike measurements are stated in millimeters.

  • Reviews
    3 reviews with an average rating of 4.7 out of 5 stars

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