Bicycle Archive · Specification report

2007 Trek Jack 1

Velopedia Archive ID 95848

Overview

Model year	2007
Brand	Trek
Model	Jack 1
Bicycle type	Mountain bike, front suspension
Archive ID	95848
Original MSRP	$489.99
Colors	Gloss Navy
Sizes	13", 15", 17"

Frameset

Frame construction	TIG-welded
Frame material	Alpha Aluminum
Fork	RST Gila T7, 100mm travel
Fork material	Aluminum/steel, single crown
Rear shock	N/A

Drivetrain

Component group	Shimano mix
Shifters	Shimano EF-50
Front derailleur	Shimano C-050
Rear derailleur	Shimano Acera
Crankset	Shimano M-341, 22/32/44 teeth
Rear cogs	8-speed, 11 - 32 teeth
Pedals	Alloy Platform

Brakes

Brakes	Tektro V brakes, Shimano EF-50 levers

Cockpit & contact points

Headset	Aheadset, semi-cartridge
Handlebar	Bontrager Earl
Handlebar extensions	Not included
Stem	Bontrager Earl
Saddle	Bontrager Earl Jump
Seatpost	Bontrager Sport

Wheels & tires

Hubs	Shimano M-475 Disc
Rims	Bontrager Camino
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.