Bicycle Archive · Specification report

2006 Trek Jack 1

Velopedia Archive ID 11194

Overview

Model year	2006
Brand	Trek
Model	Jack 1
Bicycle type	Mountain bike, front suspension
Archive ID	11194
Original MSRP	$489.99
Colors	Gloss Navy
Sizes	13", 15", 17"

Frameset

Frame construction	TIG-welded
Frame material	Alpha aluminum
Fork	RST Gile Plus T6, 100mm travel
Fork material	Aluminum/magnesium, single crown
Rear shock	N/A

Drivetrain

Component group	Mountain Mix
Shifters	Shimano EF50
Front derailleur	Shimano FD-C050
Rear derailleur	Shimano Acera
Crankset	SR XCC-150, 34/34/42 teeth
Rear cogs	8-speed, 11 - 32 teeth
Pedals	Bontrager Earl

Brakes

Brakes	Tektro linear-pull brakes, Shimano EF-50 levers

Cockpit & contact points

Headset	Aheadset Slimstak
Handlebar	Bontrager
Handlebar extensions	N/A
Stem	Bontrager
Saddle	Bontrager Earl
Seatpost	Bontrager

Wheels & tires

Hubs	Aluminum
Rims	Bontrager Camino
Spokes	Stainless steel
Front tire	26 x 2.40" Bontrager Earl
Wheel size	26" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on August 25, 2026.