Bicycle Archive · Specification report

2004 Trek Jet 20

Velopedia Archive ID 31197

Overview

Model year	2004
Brand	Trek
Model	Jet 20
Bicycle type	Juvenile
Archive ID	31197
Original MSRP	$189.99
Colors	Black/Silver, Red
Sizes	Boys

Frameset

Frame construction	TIG-welded
Frame material	Hi-tensile steel
Fork	Trek
Fork material	Hi-tensile steel, unicrown crown
Rear shock	N/A

Drivetrain

Component group	N/A
Shifters	N/A
Front derailleur	N/A
Rear derailleur	N/A
Crankset	Steel one-piece, 32 teeth
Rear cogs	1-speed, 19 teeth
Chain	1/2 x 1/8"
Pedals	Resin, platform

Brakes

Brakes	Coaster brake rear

Cockpit & contact points

Headset	1" threaded steel
Handlebar	Steel, rise
Handlebar extensions	Not included
Stem	Steel
Saddle	Trek Jr
Seatpost	Steel

Wheels & tires

Hubs	Steel, nutted
Rims	Steel, chrome
Spokes	Stainless steel, straight gauge
Front tire	20 x 2.125" Kenda K-Rad
Wheel size	20" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 4, 2026.