Trek 3900 DISC 2009 VS Specialized STUMPJUMPER 2006 specs comparison

Trek 3900 Disc

General Infos

Model	3900 Disc
Manufacturer	Trek
Year of production	2009
Current price	Check price Here ==>
Color choice	-Matte Khaki
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 Connection Trail
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano EF-50 EZ Fire Integrated Levers ProMax Mechanical Disc Brakes
Hubs for disc brakes	Rear: Shimano M-475 Disc Front: Alloy
Rims manufacturer	Matrix 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
Handlebar extender	Optional
Handlebar stem details	Bontrager Approved
Headset size	1 1/8 (inches) Threadless VP A76C-TK

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 Suntour XCC T102
Gear shift levers	Shimano EF-50 EZ Fire Integrated
Rear gear set	11 - 32 Teeth 8-speed

Trek 3900 Disc Fork System Data

Derailleur (Front)	Shimano C050
Derailleur (Rear)	Shimano Acera
Fork material	Single Crown
Fork type	80 (millimeters) Travel SR Suntour XCT V2

Other Specs of Trek 3900 Disc

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

Specialized Stumpjumper

General Infos

Model	Stumpjumper
Manufacturer	Specialized
Year of production	2006
Current price	Check price Here ==>
Color choice	-Not found
Sizes	- 13.5 (inches) - 15.5 (inches) - 17 (inches) - 18 (inches) - 19 (inches) - 21 (inches)

Wheels And Breaking System

Bike front tire	120TPI Aramid Bead Dual Compound 26 X 2.00 (inches) Specialized Fast Trak Pro
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid FR-5 Levers Cartridge Pads Lightweight Compressionless Housing Brakes Avid SD-5R Cantilevers
Hubs for disc brakes	QR Rear: Shimano M-525 Disc High and low Flange Sealed Cartridge Bearing Front: Specialized Stout Disc
Rims manufacturer	32-hole Mavic X317
Spoke nipples type	Alloy
Spoke wheel	15ga. Straight Gauge DT Swiss Stainless Steel

Frame and Body Specs

Frame materials	M4 Aluminum
Frame type	TIG-welded
Handlebar construction	5 Degree Backsweep 6066 Butted Alloy Specialized XC Flat 31.8 (millimeters) OS Bar
Handlebar extender	Optional
Handlebar stem details	31.8 (millimeters) OS Clamp 4-bolt 8 Degree Rise 3D Forged CNC Machined
Headset size	10 (millimeters) Insertion Alloy Cups Sealed Cartridge Bearing 1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	SRAM PC-971 With Power Link
Bottom bracket shell width	Not Available
Bottom bracket type	TruVativ GXP
Crankset parts and sizes	2-peice 22S and 32A and 44A Teeth Truvativ Stylo
Gear shift levers	9-speed Shimano M-570 LX
Rear gear set	11 - 34 Teeth 9-speed

Specialized Stumpjumper Fork System Data

Derailleur (Front)	34.9 Clamp Dual Pull Top Swing Shimano M-580 LX
Derailleur (Rear)	Long Cage Standard Spring Shimano M-750 XT
Fork material	Single Crown Magnesium and aluminum
Fork type	90 (millimeters) Fox F90RL

Other Specs of Specialized Stumpjumper

Component group sets	Mountain Mix
Pedals details	Clipless Shimano SPD 520
Rear shock absorber	Not Available
Saddle seat	Hollow Cr-Mo Rails Specialized Body Geometry Rival
Seat post extension	30.9 (millimeters) Diameter Aluminum