Diamondback Sync'r 24 Kids' Bike

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Designed for the up-and-coming trail rider, the Diamondback Sync'r 24 is a comfy, tough and capable mountain bike with top-shelf components for your little ripper.

  • Features

    • This model fits riders 53–62 in. tall, or kids aged approximately 8–12 years old
    • 24 in. wheels and low-slung geometry provide just the right fit and handling for the smaller rider
    • 6061 aluminum alloy construction can take plenty of abuse
    • SR Suntour XCM 80 mm travel fork soaks up roots and rocks
    • SRAM SX 1 x 12-speed drivetrain is durable and reliable
    • Radius hydraulic disc brakes with 180 mm front/160 mm rear rotors provide great control no matter the trail or conditions
    • Vee Rubber Crown Gem 24 x 2.6 in. tires offer a wide contact patch for added grip
    • Platform pedals included
    • Specs and images are subject to change

    Imported.

    This bike comes with Coast to Coast Support, which includes:
    • 1 year of free adjustments (see more below)
    • In-store bike assembly
    • Pickup in store or curbside
    • Bike experts available at 170+ bike shops
    REI Co-op Members get more:
    • Free flat tire repairs (labor only; parts not included)
    • 20% off shop services
    More about our free adjustments:
    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

    Trail

    Frame

    6061-T6 aluminum

    Bike Suspension

    Front Suspension

    Fork

    SR Suntour XCM Boost 24 in. with 80 mm travel, 28 mm stanchions, 110 x 15 mm thru axle with Preload Adjust

    Fork Travel

    80 millimeters

    Crankset

    SRAM SX Eagle with Steel 30T Narrow Wide

    Bottom Bracket

    Truvativ Powerspline

    Shifters

    SRAM SX Eagle, Trigger, 12-speed

    Rear Derailleur

    SRAM SX Eagle 12-speed

    Rear Cogs

    SRAM SX 12-speed 11-50T

    Number of Gears

    12 gear(s)

    Brake Type

    Hydraulic Disc Brake

    Brakes

    Radius BH-960 disc with 180 mm front and 160 mm rear rotors

    Brake Levers

    Radius Hydraulic

    Rims

    Diamondback SL-240 Doublewall, 32h

    Front Hub

    32h aluminum 110 x 15 mm thru axle, sealed cartridge bearings with CNC disc mount

    Rear Hub

    32h aluminum Boost 148 x 12 mm thru axle, 2 sealed cartridge bearing for SRAM XD with CNC disc mount

    Wheel Size

    24 inches

    Tires

    Vee Rubber Crown Gem 24 x 2.6 in.

    Tire Width

    2.6 inches

    Handlebar Shape

    Riser Bar

    Handlebar

    Diamondback, 720 mm wide, 15 mm rise, 31.8 mm bar bore

    Stem

    Diamondback Shortie, 45 mm reach, 31.8 mm bar bore

    Seat Post

    DB Aluminum micro-adjust, 30.9 mm

    Saddle

    DB Sync'r Jr. Saddle

    Pedals

    DB4L Aluminum Platform

    Headset

    FSA IS-3/NO.11 Integrated Style

    Chain

    SRAM SX 12-speed

    Weight

    Unavailable

    Gender

    Kids'

  • Size Chart

    24 IN
    Height Range 4'5" - 5'2"
    Reach 328
    Stack 496
    Seat Tube Center-Top 317
    Standover Height 650
    Head Tube Length 105
    Head Tube Angle (degrees) 69
    Seat Tube Angle (degrees) 71
    Bottom Bracket Height 306
    Wheelbase 962
    Chainstay 410
    Fork Offset 40

    Sizing Notes

    Measurements are stated in millimeters unless otherwise indicated.

    How we measure bikes

    1. Standover Height Standover Height is a measurement from the ground to the top of the top tube, measured at the midpoint of the top tube.
    2. Reach Reach is the horizontal distance from the center of the cranks to the center of the head tube, measured at head tube level.
    3. Stack Stack is the vertical distance from the center of the cranks to the center of the head tube, measured to the top of the head tube.
    4. Effective Top Tube Effective top tube is the distance from the center of the head tube to the center of the seat tube/seat post, measured parallel to the ground.
    5. Seat Tube Center to Top Seat Tube length is the measurement of the seat tube, from the center of the cranks to the top of the seat tube.
    6. Head Tube Length Head Tube Length is measured from the bottom to the top of the head tube.
    7. Head Tube Angle Head Tube Angle is the acute angle between the head tube and the ground (measured towards the rear of the bike)
    8. Seat Tube Angle Seat Tube Angle is the acute angle between the seat tube and the ground (measured towards the rear of the bike).
    9. Bottom Bracket Height Bottom Bracket Height is a measurement taken vertically from the ground up to the center of the cranks.
    10. Wheelbase Wheelbase is the measurement from the center of the front axle to the center of the rear axle.
    11. Chainstay Length Chainstay Length is the measurement from the center of the cranks to the center of the rear axle.
    12. Fork Offset Fork Offset, or rake, is the distance from the front axle to a line drawn parallel to the center of the head tube or steering axis.
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