Trek Precaliber 20 7-speed


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The Precaliber 20 7-speed is a rugged kids’ bike for young adventurers. It has a lightweight frame and quality components like a front suspension fork, 7-speed gearing and hand brakes that are perfectly sized to better fit small riders. For kids aged 6–8, between 45–52˝ (114–132 cm) tall.

A strong, lightweight aluminium frame, a simple 7-speed drivetrain that’s easy for kids to handle, and a front suspension fork to smooth out bumps on the road and trail. Plus, it has a kickstand, mounts for a rear rack and a saddle with an integrated handle that can be swapped out for an integrated rear light mount.

When you’re young, just being outside is an adventure. Precaliber’s rugged styling makes it the perfect vessel for young explorers. They may pretend to be scaling dangerous mountains or escaping terrible beasts, but with a high-quality build and components, you’ll always have peace of mind.

Additional information


Blue, Crystal White

Technical Information

FrameAlpha Silver Aluminium, 20" kids' frame size
ForkSteel, 20", threadless 1-1/8" steerer
Front hubSteel, 100 mm bolt-on
Rear hubSteel Freewheel, 110 mm bolt-on
RimAlloy 20", 32-hole, Schrader valve
Spokes14 g stainless steel
TyreBontrager XR1, wire bead, 27 tpi, 20x2.25"
CrankProWheel alloy, 32T steel ring w/double guard, 127 mm length
Bottom bracketSquare taper, 68 mm, sealed cartridge
Cassette18T freewheel
ChainHV410, 1/2x1/8
PedalKids' Satellite, 9/16 thread
SaddleKids' padded, integrated seat post, with handle
HandlebarKids' steel, 25.4 mm clamp, 40 mm rise, 560 mm width
GripsKids' grip, 107 mm width
StemBontrager Approved alloy, 25.4 mm clamp, 15-degree rise, 60 mm
Head setAdjustable ball bearing, threadless
BrakeAlloy linear-pull
Brake leverKids', alloy
Weight9.53 kg / 21.01 lb
Weight limitThis bike has a maximum total weight limit (combined weight of bicycle, rider,and cargo) of 36 kg (80 lb).

Sizing & fit

12" Wheel16" Wheel20" Wheel24" Wheel26" Wheel
Rider Height90.0 - 102.0 cm99.0 - 117.0 cm114.0 - 132.0 cm130.0 - 150.0 cm146.0 - 160.0 cm
2'11.4" - 3'4.2"3'3.0" - 3'10.1"3'8.9" - 4'4.0"4'3.2" - 4'11.1"4'9.5" - 5'3.0"

Frame size number20
A — Seat tube25.5
B — Seat tube angle72.0°
C — Head tube length8.5
D — Head angle70.0°
E — Effective top tube44.5
F — Bottom bracket height23.8
G — Bottom bracket drop3
H — Chainstay length37.2
J — Trail5.3
K — Wheelbase86.5
L — Standover47.6
M — Frame reach31.2
N — Frame stack40.6


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