Dirt Research KOBUK (02) 1997 VS Specialized HARDROCK CLASSIC 1997 specs comparison

Dirt Research Kobuk (02)

General Infos

Model	Kobuk (02)
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 DR
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 (02) Fork System Data

Derailleur (Front)	Top-pull and clamp-on 28.6 (millimeters) Shimano STX Top-swing
Derailleur (Rear)	Shimano STX
Fork material	Butted Unicrown Crown Tange Chromoly
Fork type	Dirt Research

Other Specs of Dirt Research Kobuk (02)

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 Hardrock Classic

General Infos

Model	Hardrock Classic
Manufacturer	Specialized
Year of production	1997
Current price	Check price Here ==>
Color choice	- purple -Green
Sizes	- 13.5 (inches) - 15.5 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches) - womens 15.5 (inches) - womens 18 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) Specialized Crossroads III
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Aluminum Levers Shimano Brakes
Hubs for disc brakes	Q and R Rear: Shimano Cassette Front: Aluminum Quick Release
Rims manufacturer	36-hole Weinmann 519
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Chromoly Seat Tube and hi-tensile Steel
Frame type	TIG-welded
Handlebar construction	Steel
Handlebar extender	Optional
Handlebar stem details	Steel
Headset size	1 (inches)

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches)
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	Not Available
Crankset parts and sizes	22/34/42 Teeth SR Aluminum
Gear shift levers	Grip Shift MRX-170
Rear gear set	11 - 28 Teeth 7-speed

Specialized Hardrock Classic Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 28.6 (millimeters) Shimano AceraX Top-swing
Derailleur (Rear)	Shimano AceraX
Fork material	Unicrown Crown Hi-tensile Steel
Fork type	SBC

Other Specs of Specialized Hardrock Classic

Component group sets	Shimano AceraX
Pedals details	Resin
Rear shock absorber	Not Available
Saddle seat	SBC Supersoft Spring Comfort
Seat post extension	26.2 (millimeters) Diameter Aluminum Micro-adjust