Specialized ROCKHOPPER FS 1998 VS Dirt Research KOBUK SUSPENSION 1995 specs comparison

Specialized Rockhopper FS

General Infos

Model	Rockhopper FS
Manufacturer	Specialized
Year of production	1998
Current price	Check price Here ==>
Color choice	- metallic blue -Green gold
Sizes	- 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches)
Sizes	- 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches)

Wheels And Breaking System

Bike front tire	Rear: 26 X 1.90 (inches) Specialized Dirt Master Front: 26 X 1.90 (inches) Specialized Dirt Control
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Dia-Compe DP-7N Levers Dia-Compe VC-757 Brakes
Hubs for disc brakes	Q and R Q and R Rear: Ritchey Aluminum Front: Specialized Aluminum
Rims manufacturer	32-hole Rear: Ritchey Rock OCR Front: Ritchey Rock SCX
Spoke nipples type	Brass Nipples
Spoke wheel	1.8 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Ritchey Nitanium
Frame type	TIG-welded
Handlebar construction	Specialized Aluminum
Handlebar extender	Optional
Handlebar stem details	Specialized Aluminum
Headset size	1 1/8 (inches) Threadless Ritchey Logic

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Sachs
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	Specialized Sealed Cartridge
Crankset parts and sizes	22/32/42 Teeth Specialized Strong Arm Expert
Gear shift levers	Shimano Rapidfire
Rear gear set	11 - 32 Teeth 8-speed

Specialized Rockhopper FS Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 31.8 (millimeters) Shimano Alivio Top-swing
Derailleur (Rear)	Shimano STX-RC
Fork material	Triple-clamp Crown Aluminum and magnesium
Fork type	Rock Shox Indy C

Other Specs of Specialized Rockhopper FS

Component group sets	Mountain Mix
Pedals details	Resin
Rear shock absorber	Not Available
Saddle seat	Specialized Prolong Evolution Carbotech
Seat post extension	30.4 (millimeters) Diameter Aluminum Micro-adjust

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)

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