2019 Trek

Precaliber 24 21-speed Boy's

A 24″ aluminum frame mountain youth bike with mid-range components and rim brakes.
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Manufacturer Price

$399
Weight26.9 lbs  
FrameAluminum
SuspensionHardtail, 45mm
Wheels24″ Aluminum
Drivetrain3 × 7
GroupsetTourney
BrakesRim
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Insights
Gearing

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)

21 mph

Precaliber 24 21-speed Boy's

Highest gear

(descending)

Sizing
24"

4'3" – 5'0"

Rider Fit Notes

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Geometry
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Specs
Build
Frame

24˝ Dialed frame size, Alpha Silver Aluminum

Fork

Dialed suspension, 45mm travel

Travel45mm

Bottom Bracket

Loose ball

Headset

Adjustable ball bearing, threadless

Stem

Bontrager alloy, 25.4mm, 15 degree

Handlebar

Bontrager alloy, 25.4mm, 25mm rise

Saddle

Dialed 24˝ size, padded

Seatpost

Steel, 27.2mm

TypeRigid

Pedals

Dialed 9/16˝, platform

Grips

Dialed, Kraton

Groupset
Rear Derailleur

Shimano Tourney TY300

Front Derailleur

Shimano Tourney TY300

Crank

Dialed adjustable length 127mm - 152mm, 42/34/24

Shifters

Shimano Tourney, 7 speed twist

Cassette

14-28, 7 speed, freewheel

Chain

KMC Z50

Brakes

Alloy linear-pull, Dialed alloy levers

TypeRim

Wheels
Rims

24˝ 32-hole alloy

Front Hub

Alloy

Rear Hub

Alloy

Tires

Bontrager XR1, 24x1.85˝

Rider Notes
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Last updated June 14
Not listed for 1,793 days