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NEW 2019

Precaliber 20 Girl's

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$239.99 Model 21915
Precaliber 20 Girl's will have your little rider begging to go out for a pedal on their first real big kid bike. It's a great transition model from training wheels. It has one speed, a coaster brake, and components that are dialed to fit your kid now and easy to adjust as they grow. For kids ages 6-8, between 45-52˝ tall.
Precaliber 20 Girl's will have your little rider begging to go out for a pedal on their first real big kid bike. It's a great transition model from training wheels. It has one speed, a coaster brake, and components that are dialed to fit your kid now and easy to adjust as they grow. For kids ages 6-8, between 45-52˝ tall.
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It's right for you if...

Your kid is ready to leave training wheels behind, and you want to get them a fun, durable bike that they won't outgrow right away. You don't want to settle for a big box brand, because you know the value of a high-quality bike that will keep your kid confident and in control.

The tech you get

A lightweight Alpha Silver Aluminum frame, one speed, a coaster brake, and Dialed components designed to fit growing kids: an adjustable bar and stem, smaller-diameter grips, a padded adjustable saddle, and an adjustable crank that keeps up with growth spurts. 

The final word

This bike is the perfect choice for young riders who want to transition from a little kid bike to a big kid bike, with a simple, quality frame that will keep them upright and smiling while they ride at the park with friends or on the local bike paths with your family.

favorite_borderWhy you'll love it

  1. One speed is all you need! A simple set-up gives kids confidence and helps them stay in control
  2. We all know kids grow up fast, and our adjustable Dialed Fit system allows this bike to grow with them
  3. 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
  4. 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
    20˝ Dialed frame size, Alpha Silver Aluminum
    Fork
    Dialed 20˝, high-tensile steel
  • Wheels

    Front hub
    Steel
    Rear hub
    Coaster brake
    Rims
    20˝ 32-hole alloy
    Tires
    Bontrager Dialed 20x1.80˝
  • Drivetrain

    Crank
    Dialed adjustable length 120mm - 140mm, 32T
    Bottom bracket
    Sealed cartridge
    Cassette
    19T cog
    Chain
    HV410
    Pedals
    Dialed 9/16˝, platform
  • Components

    Saddle
    Dialed 20˝ size, padded
    Seatpost
    Steel, 27.2mm
    Handlebar
    Dialed 20˝ size, 90mm rise
    Grips
    Dialed, Kraton
    Stem
    Dialed, alloy
    Headset
    Adjustable ball bearing, threadless
    Brakeset
    Alloy linear-pull w/Dialed alloy levers and coaster brake rear hub
  • Weight

    Weight
    10.84 kg / 23.89 lbs
    Weight limit
    This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 80 pounds (36 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.

Wheel size A Seat tube B Seat tube angle C Head tube length D Head angle E Effective top tube G Bottom bracket drop H Chainstay length I Offset J Trail K Wheelbase L Standover M Frame reach N Frame stack Saddle rail height minimum Saddle rail height maximum
20" kids' 25.5 72.0° 10.5 70.0° 44.5 1.5 37.2 4.2 4.8 87.3 46.9 30.6 42.9 59 73.5

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