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2018

Precaliber 24 7-speed Girl's

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$329.99 Model 21890
Precaliber 24 7-speed Girl's is a classic kids' bike with great style, performance, and durability. It has the simplicity of a 7-speed drivetrain and intuitive twist shift that makes it easy for kids to ride varied terrain. Plus, it's equipped with knobby trail-ready tires and a lightweight aluminum frame that'll stand up to even the roughest riders. For kids ages 8-12, between 51-59˝ tall.
Precaliber 24 7-speed Girl's is a classic kids' bike with great style, performance, and durability. It has the simplicity of a 7-speed drivetrain and intuitive twist shift that makes it easy for kids to ride varied terrain. Plus, it's equipped with knobby trail-ready tires and a lightweight aluminum frame that'll stand up to even the roughest riders. For kids ages 8-12, between 51-59˝ tall.
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It's right for you if...

Your kid loves to explore, and you want them to have a quality ride for all their road, path, or trail adventures. They're ready to upgrade from a singlespeed for a little extra help on hills and longer rides, but they don't need a ton of gears just yet.

The tech you get

A strong, lightweight aluminum frame that will stand up to whatever your youngster dishes out, with simple and reliable Shimano 7-speed shifting that makes it easy to climb hills. Plus, it has parts designed specifically for kids, like a saddle, grips, pedals, and a Dialed adjustable crank that lets this bike keep up with growth spurts.

The final word

Whether your kids are riding to school, racing around the neighborhood with friends, or tagging along on family rides, Precaliber 24 7-speed features the quality parts they need to ride with confidence and stay in control. Plus, Dialed components ensure this is one bike they won't outgrow straightaway.

favorite_borderWhy you'll love it

  1. We all know kids grow up fast, and our adjustable Dialed Fit system allows this bike to grow with them
  2. This bike is hand-me-down heaven: it's built to last, so younger siblings can inherit this bike and it'll still feel like new
  3. You shouldn't buy your kid's bike where you buy your cereal—Unlike big box brands, Trek kids' bikes are assembled by people who know bikes

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Features

Specifications

  • Frameset

    Frame
    24˝ Dialed frame size, Alpha Silver Aluminum
    Fork
    Dialed 24˝, high-tensile steel
  • Wheels

    Front hub
    Steel
    Rear hub
    Steel
    Rims
    24˝ 32-hole alloy
    Tires
    Bontrager XR1, 24x1.85˝
  • Drivetrain

    Shifters
    Shimano Tourney, 7 speed twist
    Rear derailleur
    Shimano Tourney TY300
    Crank
    Dialed adjustable length 127mm - 152mm, 32T
    Bottom bracket
    Loose ball
    Cassette
    14-28, 7 speed, freewheel
    Chain
    KMC Z50
    Pedals
    Dialed 9/16˝, platform
  • Components

    Saddle
    Dialed 24˝ size, padded
    Seatpost
    Steel, 27.2mm
    Handlebar
    Dialed 20˝ size, 40mm rise
    Grips
    Dialed, Kraton
    Stem
    Bontrager alloy, 25.4mm, 15 degree
    Headset
    Adjustable ball bearing, threadless
    Brakeset
    Alloy linear-pull, Dialed alloy levers
  • Weight

    Weight
    11.03 kg / 24.32 lbs
    Weight limit
    This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 170 pounds (77 kg).
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colors, and materials.
Bike and frame weights are based off Trek pre-production painted frames at time of publication. Weights may vary in final production.

Sizing & fit

The charts below show our recommended sizes based on height, but there are some other factors, like arm and leg length, that determine a great fit. That’s why you’ll see some overlap in our recommendations. Not every rider who’s 5´8˝, for example, will fit on the same size bike. The best way to find your perfect fit is to consult the experts at your local Trek retailer.

 

Rider Height

All measurements provided in cm unless otherwise noted.

A Seat tube B Seat tube angle C Head tube length D Head angle E Effective top tube G Bottom bracket drop I Offset J Trail K Wheelbase L Standover M Frame reach N Frame stack Saddle rail height minimum Saddle rail height maximum
29.0 72.0° 10.5 70.0° 52.9 3.8 4.5 6.1 98.9 50.7 48.7 37.1 64.0 80.5

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