Trek 3900 DISC 2010 VS Specialized STUMPJUMPER COMP 2011 specs comparison

Trek 3900 Disc

General Infos

Model	3900 Disc
Manufacturer	Trek
Year of production	2010
Current price	Check price Here ==>
Color choice	- Matte Orange - Special Edition Matte White -Matte Black
Sizes	- 13 (inches) - 16 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches)
Sizes	- 13 (inches) - 16 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.00 (inches) Bontrager LT-3
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano EF-50 Levers ProMax Mechanical Disc Brakes
Hubs for disc brakes	Rear: Shimano FH-M475 Disc Front: Formula Alloy DC20
Rims manufacturer	Bontrager 550
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 Approved Riser
Handlebar extender	Optional
Handlebar stem details	Bontrager Approved
Headset size	1 1/8 (inches) Threadless VP-A68-TK

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	42/34/24 Teeth Shimano M191
Gear shift levers	Shimano EF-50
Rear gear set	11 - 32 Teeth 8-speed

Trek 3900 Disc Fork System Data

Derailleur (Front)	Shimano C051
Derailleur (Rear)	Shimano M-360
Fork material	Single Crown
Fork type	100 (millimeters) Travel SR Suntour SF9 XCT V2

Other Specs of Trek 3900 Disc

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

Specialized Stumpjumper Comp

General Infos

Model	Stumpjumper Comp
Manufacturer	Specialized
Year of production	2011
Current price	Check price Here ==>
Color choice	-Brush and Blk
Sizes	- 15.5 (inches) - 17.5 (inches) - 19 (inches) - 21 (inches)

Wheels And Breaking System

Bike front tire	Rear: 26 X 2.0 (inches) S-Works Fast Trak LK Front: 26 X 2.0 (inches) S-Works The Captain
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid Elixir R SL Levers Avid Elixir R SL Brakes
Hubs for disc brakes	Specialized Hi Lo Disc
Rims manufacturer	28-hole and 32-hole DT Swiss X420SL
Spoke nipples type	Not Available
Spoke wheel	15ga. Butted DT Swiss Champion Stainless

Frame and Body Specs

Frame materials	M5 Aluminum
Frame type	TIG-welded
Handlebar construction	Specialized XC Flat 31.8 (millimeters)
Handlebar extender	Optional
Handlebar stem details	Specialized XC
Headset size	1 1/8 (inches) Threadless Campy Spec Integrated Sealed Cartridge Bearing

Gearing Specifications

Bicycle chain	KMC X10
Bottom bracket shell width	Not Available
Bottom bracket type	SRAM GXP
Crankset parts and sizes	22/33/44 Teeth SRAM Alloy S-1250
Gear shift levers	SRAM X.7
Rear gear set	11 - 36 Teeth 10-speed

Specialized Stumpjumper Comp Fork System Data

Derailleur (Front)	34.9 (millimeters) Clamp SRAM X.7
Derailleur (Rear)	SRAM X.9
Fork material	Single Crown Alloy Steerer
Fork type	90 (millimeters) Travel RockShox Reba RLT

Other Specs of Specialized Stumpjumper Comp

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	30.9 (millimeters) Diameter Alloy Single Bolt Setback