Trek JACK 2 2009 VS Specialized STUMPJUMPER EXPERT 2009 specs comparison

Trek Jack 2

General Infos

Model	Jack 2
Manufacturer	Trek
Year of production	2009
Current price	Check price Here ==>
Color choice	-Gloss Orange
Sizes	- Small - medium - large
Sizes	- Small - medium - large

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-2 Mechanical 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 M475
Rims manufacturer	Sun Ditch Witch
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Alpha White Aluminum
Frame type	TIG-welded
Handlebar construction	Bontrager Big Earl
Handlebar extender	Optional
Handlebar stem details	Bontrager Earl
Headset size	1 1/8 (inches) Aheadset Semi-cartridge

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	22/32/42 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
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 Earl Jump
Seat post extension	Bontrager Sport

Specialized Stumpjumper Expert

General Infos

Model	Stumpjumper Expert
Manufacturer	Specialized
Year of production	2009
Current price	Check price Here ==>
Color choice	- Gloss White - Satin Ti -Ano Black
Sizes	- 13.5 (inches) - 15.5 (inches) - 17 (inches) - 18 (inches) - 19 (inches) - 21 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.00 (inches) Specialized S-Works Fast Trak LK
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid Elixir R Carbon SL Levers Avid Elixir R Carbon SL With 160 (millimeters) Rotor Front and Avid Elixir R Carbon SL With 160 Or 140 (millimeters) Rotor Rear Brakes
Hubs for disc brakes	Rear: DT Swiss 370 With RWS Front: Specialized Hi Lo Disc
Rims manufacturer	28-hole and 32-hole DT Swiss X420SL
Spoke nipples type	Alloy
Spoke wheel	15/18ga. Butted DT Swiss Competition Stainless Steel

Frame and Body Specs

Frame materials	Specialized M5 ORE Aluminum
Frame type	TIG-welded
Handlebar construction	Specialized XC Flat Alloy
Handlebar extender	Optional
Handlebar stem details	Specialized Adjustable
Headset size	1 1/8 (inches) Cartridge

Gearing Specifications

Bicycle chain	SRAM PC-971
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano XT Hollowtech II
Crankset parts and sizes	22/32/44 Teeth Shimano XT
Gear shift levers	SRAM X.9
Rear gear set	11 - 34 Teeth 9-speed

Specialized Stumpjumper Expert Fork System Data

Derailleur (Front)	Shimano SLX
Derailleur (Rear)	SRAM X.0
Fork material	Single Crown Aluminum and magnesium
Fork type	90 (millimeters) Travel RockShox SID Race

Other Specs of Specialized Stumpjumper Expert

Component group sets	SRAM Mix
Pedals details	Shimano PD-M520
Rear shock absorber	Not Available
Saddle seat	Specialized Format
Seat post extension	30.9 (millimeters) Diameter 2014 Butted Alloy