Dirt Research KOBUK SUSPENSION 1995 VS Ritchey P-20 1997 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

Ritchey P-20

General Infos

Model	P-20
Manufacturer	Ritchey
Year of production	1997
Current price	Check price Here ==>
Color choice	-Red and white and blue
Sizes	- 14 (inches) - 15 (inches) - 16 (inches) - 17 (inches) - 18 (inches) - 19 (inches) - 20 (inches) - 21 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) Ritchey Mega-Bite Z-Max WCS
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid SD-2.0 Levers Avid SD-2.0 Brakes
Hubs for disc brakes	Rear: Shimano Deore XT Front: Shimano Deore XT Suspension
Rims manufacturer	32-hole Rear: Ritchey OCR WCS Front: Ritchey Rock WCS
Spoke nipples type	Alloy Nipples
Spoke wheel	2.0 (millimeters) Double Butted Ritchey Stainless Steel

Frame and Body Specs

Frame materials	Ritchey WCS Prestige
Frame type	Fillet Brazed and TIG-welded
Handlebar construction	Ritchey ProLite WCS
Handlebar extender	Ritchey Logic Pro WCS
Handlebar stem details	Ritchey CompLite
Headset size	1 (inches) Threadless Ritchey Logic WCS

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Sachs SC-M90
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	120 (millimeters) Spindle Ritchey SuperLogic Pro WCS Titanium
Crankset parts and sizes	24/36/46 Teeth Ritchey Logic
Gear shift levers	Grip Shift SRT-800 X-Ray
Rear gear set	11 - 28 Teeth 8-speed

Ritchey P-20 Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 28.6 (millimeters) Shimano XTR
Derailleur (Rear)	Shimano Deore XT SGS
Fork material	Triple-clamp Crown Magnesium
Fork type	Rock Shox Judy SL

Other Specs of Ritchey P-20

Component group sets	Ritchey WCS
Pedals details	Ritchey Logic WCS Titanium Clipless
Rear shock absorber	Not Available
Saddle seat	Ritchey Vector Pro WCS
Seat post extension	27.0 (millimeters) Diameter Ritchey Pro WCS