Dirt Research KOBUK SUSPENSION 1995 VS Specialized STUMPJUMPER 2006 specs comparison

Dirt Research Kobuk Suspension

General Infos

Model	Kobuk Suspension
Manufacturer	Dirt Research
Year of production	1995
Current price	Check price Here ==>
Color choice	-Amethyst -bright teal
Sizes	- 14 (inches) - 16 (inches) - 18 (inches) - 20 (inches) - 22 (inches) - 24 (inches)
Sizes	- 14 (inches) - 16 (inches) - 18 (inches) - 20 (inches) - 22 (inches) - 24 (inches)

Wheels And Breaking System

Bike front tire	Rear: 26 X 1.95 (inches) Tioga Psycho II Front: 26 X 2.10 (inches) Tioga Psycho II
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano STX Levers Shimano STX M-System Brakes
Hubs for disc brakes	Shimano STX
Rims manufacturer	32-hole Sun Metal CRT16 II
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Union Stainless Steel

Frame and Body Specs

Frame materials	Columbus OR
Frame type	TIG-welded Steel
Handlebar construction	Dirt Research 180g Alloy
Handlebar extender	Dirt Research
Handlebar stem details	Dirt Research Threadless Alloy
Headset size	1 1/8 (inches) Tioga Alchemy

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC HP-70S
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	22/32/42 Teeth Shimano STX HyperDrive-C
Gear shift levers	Shimano STX RapidFire Plus
Rear gear set	11 - 28 Teeth 7-speed

Dirt Research Kobuk Suspension Fork System Data

Derailleur (Front)	Top-pull and clamp-on 28.6 (millimeters) Shimano STX
Derailleur (Rear)	Shimano STX
Fork material	Aluminum and chromoly
Fork type	Dirt Research 600A

Other Specs of Dirt Research Kobuk Suspension

Component group sets	Shimano STX
Pedals details	Dirt Research Alloy
Rear shock absorber	Not Available
Saddle seat	Dirt Research
Seat post extension	27.0 (millimeters) Diameter Dirt Research

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