The Trek Jack 3 is a mountain bike with an aluminum Alpha frame. The frame has a Gloss White finish. It was first released in 2006 and again in 2007. Due to the frame materials and other factors, we estimate that this bike weighs around 35 pounds. The Jack 3 has fork suspension with 80-100mm travel.
Components
The Jack 3 comes with Mountain Mix and Shimano Deore components, including a Bontrager Earl stem, a semi Aheadset headset and Shimano Deore shifters.
Drivetrain
The Jack 3 has 9 speeds and has a Shimano derailleur.
Wheels
It comes with Bontrager Earl tires (26in x 2.4in) and aluminum, Femco Sun Rhyno Lite rims.