Specialized ROCKHOPPER PRO 2008 VS Trek JACK 2 2007 specs comparison

Specialized Rockhopper Pro

General Infos

Model	Rockhopper Pro
Manufacturer	Specialized
Year of production	2008
Current price	Check price Here ==>
Color choice	-Brunt Orange
Sizes	- 15 - 17 - 19 - 21
Sizes	- 15 - 17 - 19 - 21

Wheels And Breaking System

Bike front tire	26 X 2.00 (inches) Specialized Fast Track Control
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	6 (inches) Rotor Brakes Avid Juicy 3 SL Hydraulic Disc Hydraulic Disc Levers Avid Juicy 3 SL
Hubs for disc brakes	Specialized Hi Lo Disc
Rims manufacturer	28-hole and 32-hole DT Swiss 445D
Spoke nipples type	Alloy Niples
Spoke wheel	15ga. Straight Gauge DT Swiss Stainless Steel

Frame and Body Specs

Frame materials	M4 Aluminum
Frame type	TIG-welded
Handlebar construction	31.8 640 (millimeters) Wide With Graphic Specialized XC Rise
Handlebar extender	Optional
Handlebar stem details	31.8 (millimeters) Clamp 3D Forged Specialized
Headset size	1 1/8 (inches) Threadless Threadless

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC X9SL
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano M532
Crankset parts and sizes	22/32/44 Teeth Shimano M532
Gear shift levers	SRAM X-5 Trigger
Rear gear set	11 - 34 Teeth 9-speed

Specialized Rockhopper Pro Fork System Data

Derailleur (Front)	Dual-pull and clamp-on 34.9 (millimeters) Shimano Deore
Derailleur (Rear)	SRAM X.7
Fork material	Single
Fork type	100 (millimeters) Travel RockShox Recon Race SL

Other Specs of Specialized Rockhopper Pro

Component group sets	Mountain Mix
Pedals details	Specialized Aluminum
Rear shock absorber	Not Available
Saddle seat	Specialized Indie XC
Seat post extension	30.9 (millimeters) Diameter Two-bolt Alloy Micro-Adjust

Trek Jack 2

General Infos

Model	Jack 2
Manufacturer	Trek
Year of production	2007
Current price	Check price Here ==>
Color choice	-Gloss Orange
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 Levers Hayes MX-2 Mechanical With 8 (inches) Rotor Front and Hayes MX-2 Mechanical With 6 (inches) Rotor Rear Brakes
Hubs for disc brakes	Shimano M-475 Disc
Rims manufacturer	Sun Ditch Witch
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Alpha Aluminum
Frame type	TIG-welded
Handlebar construction	Bontrager Big Earl
Handlebar extender	Optional
Handlebar stem details	Bontrager Earl
Headset size	Semi-cartridge Aheadset

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 Big Earl
Gear shift levers	Shimano Alivio
Rear gear set	11 - 32 Teeth 8-speed

Trek Jack 2 Fork System Data

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

Other Specs of Trek Jack 2

Component group sets	Shimano Alivio
Pedals details	Alloy Platform
Rear shock absorber	Not Available
Saddle seat	Bontrager Big Earl Jump
Seat post extension	Bontrager Sport