2021 Trek

Precaliber 20 7-speed

A 20″ aluminum frame mountain youth bike with mid-range components and rim brakes.

MSRP$339
Weight24.0 lbs  
FrameAluminum
SuspensionHardtail, 35mm
Wheels20″ Aluminum
Drivetrain1 × 7
GroupsetTourney
BrakesRim
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Ride Feel

Based on frame geometry and build specs.

Handling
nimblestable
Precaliber 20 7-speed
Other Mountain Youth bikes
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)

14 mph

Precaliber 20 7-speed

Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Sizing
20"

3'8" – 4'4"

Rider Fit Notes

None yet.

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Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
Frame

Alpha Silver Aluminum, 20'' kids' frame size

ColorsCrystal White; Voodoo Trek Black

Fork

Kids' suspension, threadless steerer, 35mm travel

Travel35mm

Bottom Bracket

Square taper, 68mm

Headset

Adjustable ball bearing, threadless

Stem

Bontrager Approved alloy, 25.4mm clamp, 15 degree rise, 60mm

Handlebar

Kids' steel, 25.4mm clamp, 40mm rise, 560mm width

Saddle

Kids' padded, integrated seatpost, with handle

Pedals

Kids' Satellite, 9/16 thread

Grips

Kids' grip, 125mm width

Groupset
Rear Derailleur

Shimano Tourney TY300, long cage, 34T max cog

Crank

ProWheel alloy, 32T steel ring w/double guard, 127mm length

Shifters

Shimano Tourney RS45, 7 speed twist

Cassette

SunRun freewheel, 14-28, 7 speed,

Chain

KMC Z7, 7 speed

Brakes

Alloy linear-pull

TypeRim

Brake Levers

Kids', alloy

Wheels
Rims

Alloy 20'', 32-hole, schrader valve

Spokes

14g stainless steel

Front Hub

Alloy, 100mm bolt-on

Rear Hub

Alloy, 8-speed, 130mm bolt-on

Tires

Bontrager XR1, wire bead, 27 tpi. 20x2.25''

Rider Notes
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Last updated April 16
Not listed for 1,098 days