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2007 Trek

Jack 1

A 26″ aluminum frame crosscountry bike with modest components and tektro rim brakes.
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FrameAluminum
Wheels26″ Aluminum
Drivetrain3 × 8
GroupsetAcera
BrakesTektro Rim
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Insights
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

48 km/h

Jack 1

44 km/h

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Highest gear

(descending)

Reviews
BikeRadar
Trek Jack 3(SG) review

Mar 2007 · BikeRadar

Trek have spent a lot of time with their star slopestyle and dirt rider Cameron McCaul developing their Jack range of jump bikes - and it shows. We get airborne on the top-of-the-range Jack 3.

Read Review

Specs
Build
Frame

Alpha Aluminum

Headset

Aheadset w/semi-cartridge bearings, sealed

Stem

Bontrager Earl, 10 degree, 31.8mm

Handlebar

Bontrager Earl, 50mm rise, 31.8mm

Saddle

Bontrager Earl Jump

Seatpost

Bontrager Sport

Type: Rigid

Pedals

Alloy platform

Groupset
Rear Derailleur

Shimano Acera

Front Derailleur

Shimano C050

Crank

Shimano M341 42/32/22

Shifters

Shimano EF50, 8 speed

Cassette

SRAM PG830 11-32, 8 speed

Brakes

Tektro V w/Shimano EF50 levers

Type: Tektro Rim

Wheels
Rims

Shimano M475 disc hubs; Bontrager Camino rims

Tires

Bontrager Earl, 26x2.4", 27 tpi

Rider Notes
Riders Also Viewed

First added 29 June

Last updated 29 June

Not listed for 2,897 days