Dirt Research KOBUK (02) 1997 VS Marin BOLINAS RIDGE 2001 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

Marin Bolinas Ridge

General Infos

Model	Bolinas Ridge
Manufacturer	Marin
Year of production	2001
Current price	Check price Here ==>
Color choice	- Two Tone Fade and Gloss Blue -Matte Forest and Matte Green
Sizes	- 11.5 (inches) - 13 (inches) - 15 (inches) - 17 (inches) - 18.5 (inches) - 20 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) IRC Mythos XC
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Aluminum Linear-pull Levers Aluminum Linear-pull Brakes
Hubs for disc brakes	Q and R Aluminum
Rims manufacturer	32-hole Aluminum
Spoke nipples type	Not Available
Spoke wheel	2.0 (millimeters) Stainless Steel

Frame and Body Specs

Frame materials	Chromoly
Frame type	TIG-welded
Handlebar construction	Ovation Riser
Handlebar extender	Optional
Handlebar stem details	Forged Aluminum
Headset size	1 1/8 (inches) Threadless WTB Momentum Comp ST

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC UG-50
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano
Crankset parts and sizes	22/32/42 Teeth Shimano
Gear shift levers	SRAM ESP 3.0
Rear gear set	11 - 32 Teeth 8-speed

Marin Bolinas Ridge Fork System Data

Derailleur (Front)	Suntour
Derailleur (Rear)	SRAM ESP 5.0
Fork material	Unicrown Crown Chromoly
Fork type	Marin

Other Specs of Marin Bolinas Ridge

Component group sets	Mountain Mix
Pedals details	Resin
Rear shock absorber	Not Available
Saddle seat	Comfort
Seat post extension	Aluminum Micro-adjust