Trek JACK 2 2006 VS Specialized HARDROCK A1 COMP FS 1999 specs comparison

Trek Jack 2

General Infos

Model	Jack 2
Manufacturer	Trek
Year of production	2006
Current price	Check price Here ==>
Color choice	-Gloss Orange
Sizes	- 13 (inches) - 15 (inches) - 17 (inches)
Sizes	- 13 (inches) - 15 (inches) - 17 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.40 (inches) Bontrager Earl
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Hayes MX-1 Levers Hayes MX-1 Brakes
Hubs for disc brakes	Aluminum
Rims manufacturer	Femco Aluminum
Spoke nipples type	Not Available
Spoke wheel	Stainless Steel

Frame and Body Specs

Frame materials	Alpha Aluminum
Frame type	TIG-welded
Handlebar construction	Bontrager Big Earl
Handlebar extender	Not Available
Handlebar stem details	Bontrager Earl
Headset size	Aheadset Slimstak

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	22/32/44 Teeth Bontrager Select
Gear shift levers	Shimano Alivio
Rear gear set	11 - 32 Teeth 8-speed

Trek Jack 2 Fork System Data

Derailleur (Front)	Shimano Acera
Derailleur (Rear)	Shimano Alivio
Fork material	Single Crown Aluminum and magnesium
Fork type	100 (millimeters) Travel Manitou Splice Comp

Other Specs of Trek Jack 2

Component group sets	Mountain Mix
Pedals details	Bontrager Earl
Rear shock absorber	Not Available
Saddle seat	Bontrager Earl
Seat post extension	Bontrager Sport

Specialized Hardrock A1 Comp FS

General Infos

Model	Hardrock A1 Comp FS
Manufacturer	Specialized
Year of production	1999
Current price	Check price Here ==>
Color choice	- Dark Dew Green -Ball-Burnished
Sizes	- 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) Specialized Hardrock'r
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Linear-pull Levers Lee Chi ProMax Linear-pull Brakes
Hubs for disc brakes	Rear: Specialized STOUT Comp Front: Specialized Alloy
Rims manufacturer	32-hole Weinmann 519
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Chung Nan Stainless Steel

Frame and Body Specs

Frame materials	Specialized A1 Aluminum
Frame type	TIG-welded
Handlebar construction	Specialized Alloy
Handlebar extender	Not Available
Handlebar stem details	Specialized A-1
Headset size	1 1/8 (inches) Threadless Specialized Headfirst Sport

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-UG50
Bottom bracket shell width	73 (millimeters) English
Bottom bracket type	110 (millimeters) Spindle Specialized Sport
Crankset parts and sizes	22/32/42 Teeth Specialized ForeArm Sport
Gear shift levers	Shimano STX-RC RapidFire SL
Rear gear set	11 - 28 Teeth 8-speed

Specialized Hardrock A1 Comp FS Fork System Data

Derailleur (Front)	Clamp-on 35.0 (millimeters) Shimano Alivio Top-swing
Derailleur (Rear)	Shimano STX-RC
Fork material	Triple-clamp Crown Aluminum and magnesium
Fork type	1.8 (inches) Travel Rock Shox Jett C

Other Specs of Specialized Hardrock A1 Comp FS

Component group sets	Mountain Mix
Pedals details	Steel Specialized Platform
Rear shock absorber	Not Available
Saddle seat	Specialized Hardrock Men's
Seat post extension	30.9 (millimeters) Diameter Aluminum Micro-adjust