Trek 3900 DISC 2011 VS Specialized STUMPJUMPER 2008 specs comparison

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)
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

Specialized Stumpjumper

General Infos

Model	Stumpjumper
Manufacturer	Specialized
Year of production	2008
Current price	Check price Here ==>
Color choice	-Black and Red
Sizes	- 15.5 - 17 - 18 - 19 - 21

Wheels And Breaking System

Bike front tire	26 X 2.00 (inches) Specialized Fast Track Control LK
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid FR-5 Levers Cantilever Cartridge Pads Brakes Avid SD-5R
Hubs for disc brakes	Rear: Shimano M525 Disc Front: Specialized Hi Lo Disc
Rims manufacturer	28-hole and 32-hole Mavic X317
Spoke nipples type	Alloy Niples
Spoke wheel	15ga. Straight Gauge DT Swiss Stainless Steel

Frame and Body Specs

Frame materials	M5 Aluminum
Frame type	TIG-welded
Handlebar construction	2014 Butted Alloy 600 (millimeters) Wide Specialized XC Flat 31.8 (millimeters) Bar
Handlebar extender	Optional
Handlebar stem details	31.8 (millimeters) Clamp 3D Forged With CNC Finish Specialized
Headset size	1 1/8 (inches) Threadless Threadless

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) SRAM PC-971 With Power Link
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano M542
Crankset parts and sizes	22/32/44 Teeth Shimano M542
Gear shift levers	SRAM X-7 Trigger
Rear gear set	11 - 34 Teeth 9-speed

Specialized Stumpjumper Fork System Data

Derailleur (Front)	Dual-pull and clamp-on 34.9 (millimeters) Shimano LX
Derailleur (Rear)	SRAM X.9
Fork material	Single
Fork type	90 (millimeters) Travel Fox F90RL

Other Specs of Specialized Stumpjumper

Component group sets	Mountain Mix
Pedals details	Crank Brothers Smarty
Rear shock absorber	Not Available
Saddle seat	Hollow Cr-Mo Rails Specialized XC MTB
Seat post extension	30.9 (millimeters) Diameter Single Bolt Setback 2014 Butted Alloy