Specialized STUMPJUMPER EXPERT CARBON 29ER 2011 VS Trek 3900 WSD 2007 specs comparison

Specialized Stumpjumper Expert Carbon 29er

General Infos

Model	Stumpjumper Expert Carbon 29er
Manufacturer	Specialized
Year of production	2011
Current price	Check price Here ==>
Color choice	-Red and Wht
Sizes	- 15.5 (inches) - 17.5 (inches) - 19 (inches) - 21 (inches)
Sizes	- 15.5 (inches) - 17.5 (inches) - 19 (inches) - 21 (inches)

Wheels And Breaking System

Bike front tire	29 X 1.95 (inches) S-Works Renegade
Bike rear tire	Not Available
Bike wheel size	29 (inches) Wheels
Brakeset type	Avid Elixir CR SL Levers Avid Elixir CR SL Brakes
Hubs for disc brakes	Specialized Hi Lo Disc
Rims manufacturer	32-hole DT Swiss X450SL
Spoke nipples type	Not Available
Spoke wheel	1.8/1.6 Double-butted DT Swiss Competition Stainless

Frame and Body Specs

Frame materials	FACT 8M Carbon
Frame type	Bonded and monocoque
Handlebar construction	Specialized XC Flat 31.8 (millimeters)
Handlebar extender	Optional
Handlebar stem details	Specialized XC
Headset size	1 1/8 (inches) - 1 1/2 (inches) Campy Spec Integrated Sealed Cartridge Bearing

Gearing Specifications

Bicycle chain	KMC X10
Bottom bracket shell width	Not Available
Bottom bracket type	SRAM PF-30
Crankset parts and sizes	24/38 Teeth SRAM Carbon S-2200
Gear shift levers	SRAM X.9
Rear gear set	11 - 36 Teeth 10-speed

Specialized Stumpjumper Expert Carbon 29er Fork System Data

Derailleur (Front)	34.9 (millimeters) Clamp SRAM X.7
Derailleur (Rear)	SRAM X.0
Fork material	Single Crown Alloy Steerer
Fork type	90 (millimeters) Travel RockShox Reba 29

Other Specs of Specialized Stumpjumper Expert Carbon 29er

Component group sets	SRAM Mix
Pedals details	Resin Test Ride Pedals
Rear shock absorber	Not Available
Saddle seat	Specialized BG Phenom Comp
Seat post extension	27.2 (millimeters) Diameter Alloy Single Bolt Setback

Trek 3900 WSD

General Infos

Model	3900 WSD
Manufacturer	Trek
Year of production	2007
Current price	Check price Here ==>
Color choice	- Pearl Green -Trans Blue
Sizes	- Womens 13 (inches) - womens 16 (inches) - womens 19.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.00 (inches) Bontrager Connection Trail
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano EF-50 Levers Tektro V Brakes
Hubs for disc brakes	Rear: Shimano RM-30 Front: Alloy
Rims manufacturer	Matrix 550
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Alpha Aluminum
Frame type	TIG-welded
Handlebar construction	Bontrager Approved
Handlebar extender	Optional
Handlebar stem details	Bontrager Approved
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	24/34/42 Teeth SR XCC-T102
Gear shift levers	Shimano EF-50
Rear gear set	11 - 32 Teeth 8-speed

Trek 3900 WSD Fork System Data

Derailleur (Front)	Shimano C-050
Derailleur (Rear)	Shimano Acera
Fork material	Single Crown Aluminum and steel
Fork type	70 (millimeters) Travel InSync Grind 1

Other Specs of Trek 3900 WSD

Component group sets	Shimano Mix
Pedals details	Nylon Platform
Rear shock absorber	Not Available
Saddle seat	Bontrager Sport FIT
Seat post extension	Bontrager Approved