Trek JACK 3 2006 VS Specialized ROCKHOPPER COMP A1 FS 1996 specs comparison

Trek Jack 3

General Infos

Model	Jack 3
Manufacturer	Trek
Year of production	2006
Current price	Check price Here ==>
Color choice	-Gloss White
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 HFX-9 Levers Hayes HFX-9 Brakes
Hubs for disc brakes	Shimano M525
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 Big Earl
Headset size	Aheadset

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	22/32 Teeth Bontrager Big Earl
Gear shift levers	Shimano Deore
Rear gear set	11 - 34 Teeth 9-speed

Trek Jack 3 Fork System Data

Derailleur (Front)	Shimano Deore
Derailleur (Rear)	Shimano LX
Fork material	Single Crown Aluminum and magnesium
Fork type	100 (millimeters) Travel Marzocchi Dirt Jam Pro

Other Specs of Trek Jack 3

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

Specialized Rockhopper Comp A1 FS

General Infos

Model	Rockhopper Comp A1 FS
Manufacturer	Specialized
Year of production	1996
Current price	Check price Here ==>
Color choice	-Dark blue
Sizes	- 13.5 (inches) - 15.5 (inches) - 17 (inches) - 18 (inches) - 19 (inches) - 20.5 (inches)

Wheels And Breaking System

Bike front tire	Rear: 26 X 1.95 (inches) Specialized Ground Master Front: 26 X 1.95 (inches) Specialized Ground Control II
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Dia-Compe PC-3 Levers Shimano Alivio M-System Brakes
Hubs for disc brakes	Not Available
Rims manufacturer	32-hole Mavic 238
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge DT Stainless Steel

Frame and Body Specs

Frame materials	Specialized Premium A1 Aluminum
Frame type	Welded Aluminum
Handlebar construction	Alloy
Handlebar extender	Optional
Handlebar stem details	Chromoly
Headset size	1 1/8 (inches) Threadless Tange-Seiki STE

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG51
Bottom bracket shell width	73 (millimeters) English
Bottom bracket type	107 (millimeters) Spindle Shimano BB-LP26
Crankset parts and sizes	20/32/42 Teeth Specialized Son Of Strongarm
Gear shift levers	Grip Shift SRT-600
Rear gear set	11 - 28 Teeth 8-speed

Specialized Rockhopper Comp A1 FS Fork System Data

Derailleur (Front)	Bottom-pull Shimano STX
Derailleur (Rear)	Shimano STX
Fork material	Triple-clamp Crown Magnesium
Fork type	Rock Shox Quadra 21R

Other Specs of Specialized Rockhopper Comp A1 FS

Component group sets	Shimano STX
Pedals details	HTI Steel and resin With Clips & Straps
Rear shock absorber	Not Available
Saddle seat	Specialized Prolong Evolution
Seat post extension	30.9 (millimeters) Diameter Alloy Micro-adjust