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The 2021 Trek Precaliber 20 7-speed Boy's is a 20″ aluminum frame general youth bike with modest components and rim brakes.

Precaliber 20 7-speed Boy's
Precaliber 20 7-speed Boy's
Trek · 2021
MSRP$329
Online Price
CategoryGeneral Youth
Weight24.1 lbs / 10.9 kg
FrameAluminum
Fork
Wheel Size20″
Wheel MaterialAluminum
Brake TypeRim
GroupsetTourney
Drivetrain1 × 7
Gear Range
Trek Precaliber 20 7-speed Boy's
14 mph
Suspension
Front Travel35mm
Rear Travel-
Brand Sitewww.trekbikes.com

Geometry

Specs
Build
Frame
Alpha Silver Aluminum, 20'' kids' frame size
Fork
Kids' suspension, 35mm travel
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
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
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''
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