Specialized STUMPJUMPER COMP 29ER 2009 VS Trek 3900 DISC 2011 specs comparison

Specialized Stumpjumper Comp 29er

General Infos

Model	Stumpjumper Comp 29er
Manufacturer	Specialized
Year of production	2009
Current price	Check price Here ==>
Color choice	-Gloss Silver and Black
Sizes	- 15.5 (inches) - 17 (inches) - 18 (inches) - 19 (inches) - 21 (inches) - 23 (inches)
Sizes	- 15.5 (inches) - 17 (inches) - 18 (inches) - 19 (inches) - 21 (inches) - 23 (inches)

Wheels And Breaking System

Bike front tire	29 X 2.00 (inches) Specialized S-Works Fast Trak LK
Bike rear tire	Not Available
Bike wheel size	29 (inches) Wheels
Brakeset type	Avid Elixir R SL Levers Avid Elixir R SL With 160 (millimeters) Rotor Brakes
Hubs for disc brakes	Rear: Shimano M525 SL Disc Front: Specialized Hi Lo Disc
Rims manufacturer	28-hole and 32-hole DT Swiss X470
Spoke nipples type	Alloy
Spoke wheel	15ga. DT Swiss 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 FC-M542
Crankset parts and sizes	22/32/44 Teeth Shimano FC-M542
Gear shift levers	SRAM X.7
Rear gear set	11 - 34 Teeth 9-speed

Specialized Stumpjumper Comp 29er Fork System Data

Derailleur (Front)	Shimano SLX
Derailleur (Rear)	SRAM X.9
Fork material	Single Crown Magnesium and aluminum
Fork type	80 (millimeters) Travel RockShox Reba SL 29er

Other Specs of Specialized Stumpjumper Comp 29er

Component group sets	SRAM Mix
Pedals details	Not Available
Rear shock absorber	Not Available
Saddle seat	Specialized BG Phenom
Seat post extension	30.9 (millimeters) Diameter 2014 Butted Alloy

Trek 3900 Disc

General Infos

Model	3900 Disc
Manufacturer	Trek
Year of production	2011
Current price	Check price Here ==>
Color choice	-Deep Blue
Sizes	- 13 (inches) - 16 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.0 (inches) Bontrager LT3
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano EF50 Levers Tektro Novela Brakes
Hubs for disc brakes	Rear: Shimano Alloy M475 Front: Formula DC20
Rims manufacturer	36-hole Bontrager 550
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Alloy
Frame type	TIG-welded
Handlebar construction	Bontrager Approved Riser
Handlebar extender	Optional
Handlebar stem details	Bontrager Approved
Headset size	1 1/8 (inches) Threadless Semi Integrated

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 Shimano M171
Gear shift levers	Shimano EF51
Rear gear set	11 - 32 Teeth 8-speed

Trek 3900 Disc Fork System Data

Derailleur (Front)	Shimano M190
Derailleur (Rear)	Shimano M360
Fork material	Single
Fork type	100 (millimeters) Travel SR Suntour XCT

Other Specs of Trek 3900 Disc

Component group sets	Shimano Mix
Pedals details	Wellgo Nylon Platform
Rear shock absorber	Not Available
Saddle seat	Bontager SSR
Seat post extension	31.6 (millimeters) Diameter Bontrager SSR