Dirt Research KOBUK (01) 1997 VS Specialized ROCKHOPPER PRO 2008 specs comparison

Dirt Research Kobuk (01)

General Infos

Model	Kobuk (01)
Manufacturer	Dirt Research
Year of production	1997
Current price	Check price Here ==>
Color choice	- teal -Amethyst
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	26 X 2.10 (inches) WTB VelociRaptor
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-RC
Rims manufacturer	32-hole Sun Rims DW 6000
Spoke nipples type	Brass Nipples
Spoke wheel	1.8 (millimeters) Straight Gauge DT Stainless Steel

Frame and Body Specs

Frame materials	Columbus OR
Frame type	TIG-welded
Handlebar construction	Dirt Research 140g Aluminum
Handlebar extender	Dirt Research
Handlebar stem details	Dirt Research
Headset size	1 1/8 (inches) Threadless Tioga ST2-E

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG51
Bottom bracket shell width	73 (millimeters) English
Bottom bracket type	110 (millimeters) Spindle Shimano BB-LP26
Crankset parts and sizes	22/32/42 Teeth Shimano STX
Gear shift levers	Shimano STX RapidFire SL
Rear gear set	11 - 30 Teeth 8-speed

Dirt Research Kobuk (01) Fork System Data

Derailleur (Front)	Top-pull and clamp-on 28.6 (millimeters) Shimano STX Top-swing
Derailleur (Rear)	Shimano STX
Fork material	Triple-clamp Crown Magnesium
Fork type	Rock Shox Indy XC

Other Specs of Dirt Research Kobuk (01)

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

Specialized Rockhopper Pro

General Infos

Model	Rockhopper Pro
Manufacturer	Specialized
Year of production	2008
Current price	Check price Here ==>
Color choice	-Brunt Orange
Sizes	- 15 - 17 - 19 - 21

Wheels And Breaking System

Bike front tire	26 X 2.00 (inches) Specialized Fast Track Control
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	6 (inches) Rotor Brakes Avid Juicy 3 SL Hydraulic Disc Hydraulic Disc Levers Avid Juicy 3 SL
Hubs for disc brakes	Specialized Hi Lo Disc
Rims manufacturer	28-hole and 32-hole DT Swiss 445D
Spoke nipples type	Alloy Niples
Spoke wheel	15ga. Straight Gauge DT Swiss Stainless Steel

Frame and Body Specs

Frame materials	M4 Aluminum
Frame type	TIG-welded
Handlebar construction	31.8 640 (millimeters) Wide With Graphic Specialized XC Rise
Handlebar extender	Optional
Handlebar stem details	31.8 (millimeters) Clamp 3D Forged Specialized
Headset size	1 1/8 (inches) Threadless Threadless

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC X9SL
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano M532
Crankset parts and sizes	22/32/44 Teeth Shimano M532
Gear shift levers	SRAM X-5 Trigger
Rear gear set	11 - 34 Teeth 9-speed

Specialized Rockhopper Pro Fork System Data

Derailleur (Front)	Dual-pull and clamp-on 34.9 (millimeters) Shimano Deore
Derailleur (Rear)	SRAM X.7
Fork material	Single
Fork type	100 (millimeters) Travel RockShox Recon Race SL

Other Specs of Specialized Rockhopper Pro

Component group sets	Mountain Mix
Pedals details	Specialized Aluminum
Rear shock absorber	Not Available
Saddle seat	Specialized Indie XC
Seat post extension	30.9 (millimeters) Diameter Two-bolt Alloy Micro-Adjust