Bike details
Overview
Key information split into simple groups.
Bike summary
-
Category -
Frame Aluminum -
Wheels 26" -
Groupset Alivio, Bontrager -
Suspension Rigid -
Drivetrain 3 × 8 -
Brakes Mechanical Disc
Sizing
Recommended size guide.
SM
158cm - 170cm
MD
168cm - 179cm
LG
176cm - 187cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Alpha White Aluminum
Drivetrain
Rear Derailleur
Shimano Alivio
Front Derailleur
Shimano Alivio
Shift Levers
Shimano Alivio, 8 speed
Cassette
SRAM PG830 11-32, 8 speed
Crank
Bontrager Big Earl 42/32/22
Pedals
Alloy platform
Wheels
Rims
Shimano M475 disc hubs; Sun Ditch Witch rims
Tires
Bontrager Earl, 26x2.4"; 27 tpi
Brakes
Brakes
Hayes MX-2, mechanical disc; 8" front, 6" rear rotor
Cockpit
Stem
Bontrager Earl, 10 degree, 31.8mm
Handlebar
Bontrager Big Earl, 50mm rise, 31.8mm
Headset
Aheadset w/semi-cartridge bearings, Cro-Moly
Seat
Saddle
Bontrager Big Earl Jump
Seatpost
Bontrager Sport
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM | MD | LG |
|---|---|---|---|
| Wheels | 26" | 26" | 26" |
| Rider Min Height | 158 cm | 168 cm | 176 cm |
| Rider Max Height | 170 cm | 179 cm | 187 cm |
About this model
Jack 2 completes the Trek Jack model. There are 8 bikes that carry this model name. Take a sneak peek at all Trek Jack bikes models from 2008, by clicking here.
Safety
Make sure you wear a helmet on every ride, and that your bike performs well. In short, this means checking the tires, brakes, and chain to make sure everything is in good working order.
Crosscountry bikes average price
According to our calculations, the average cost of a Crosscountry bike that is reliable is 1905$. However, paying less money than this amount doesn’t mean that you couldn’t get a great Crosscountry bike. To sum up, when you purchase your bike, make sure to check if it has reviews, and also do some components research.
Jack 2 components
Wheels
When it comes to wheels, the Jack 2 bike is equipped with the 26″ aluminum model. The 26″ wheels are lighter than the 27.5 or 29″ wheels. However, they are less forgiving when riding over obstacles such as bumps and roots.
Brakes
For your safety, it is important to have quality breaks on your bike. Trek Jack 2 has Mechanical Disc brakes installed. These brakes are also very popular, and a lot cheaper than hydraulic disk brakes. However, with hydraulic disk brakes, you have the ultimate braking power!
Sizes
Jack 2 comes in 3 sizes, that range from 158 cm – 187 cm (5.18 ft – 6.14 ft). In conclusion, finding one for you shouldn’t be a problem.