Specialized HARDROCK PRO DISC 2008 VS Trek JACK 2 2006 specs comparison

Specialized Hardrock Pro Disc

General Infos

Model	Hardrock Pro Disc
Manufacturer	Specialized
Year of production	2008
Current price	Check price Here ==>
Color choice	- brown -Charcoal and silver
Sizes	- 12 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 24 (inches)
Sizes	- 12 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 24 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.1 (inches) Specialized Resolution Wire
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid FR-5 Levers Avid BB-5 With 6 (inches) Rotor Brakes
Hubs for disc brakes	Specialized Hi-Lo Disc
Rims manufacturer	28-hole and 32-hole Specialized and Alex HRD 26
Spoke nipples type	Not Available
Spoke wheel	15ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	A1 Premium Aluminum
Frame type	TIG-welded
Handlebar construction	Specialized Alloy Enduro Riser
Handlebar extender	Optional
Handlebar stem details	Specialized 3D Forged Alloy 31.8 (millimeters)
Headset size	1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMX X8
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	126 (millimeters) Spindle Shimano BB-ES25
Crankset parts and sizes	22/32/44 Teeth Shimano FC-M341-8
Gear shift levers	Shimano Acera SL-MC40
Rear gear set	11 - 32 Teeth 8-speed

Specialized Hardrock Pro Disc Fork System Data

Derailleur (Front)	Top Swing Shimano Altus FD-M310-6
Derailleur (Rear)	Shimano Alivio RD-M410
Fork material	Single Crown Crown Aluminum and steel
Fork type	80/100 (millimeters) Travel SR Suntour SF7-XCM-HLO

Other Specs of Specialized Hardrock Pro Disc

Component group sets	Mountain Mix
Pedals details	Specialized Alloy Platform
Rear shock absorber	Not Available
Saddle seat	Specialized Aggro With Kevlar Sides
Seat post extension	30.9 (millimeters) Diameter Specialized Alloy Two Bolt

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)

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