Dirt Research KOBUK (01) 1997 VS Rocky Mountain VERTEX 29 SE 2011 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

Rocky Mountain Vertex 29 SE

General Infos

Model	Vertex 29 SE
Manufacturer	Rocky Mountain
Year of production	2011
Current price	Check price Here ==>
Color choice	-White and black
Sizes	- 16.5 (inches) - 18 (inches) - 19 (inches) - 20.5 (inches) - 22 (inches)

Wheels And Breaking System

Bike front tire	29 X 2.2'' Continental Race King
Bike rear tire	Not Available
Bike wheel size	29 (inches) Wheels
Brakeset type	Formula RX Levers Formula RX Hydraulic Disc Brakes
Hubs for disc brakes	Rear: DT Swiss 370 Front: Wheeltech XC Sealed
Rims manufacturer	DT Swiss X470
Spoke nipples type	Not Available
Spoke wheel	DT Swiss Competition

Frame and Body Specs

Frame materials	FORM 7005 Aluminum
Frame type	Aluminum
Handlebar construction	Easton EA70 Flat 685 (millimeters)
Handlebar extender	Optional
Handlebar stem details	Easton EA70
Headset size	FSA Orbit Z1.5 Lower and FSA ZS-4D ACB Upper

Gearing Specifications

Bicycle chain	SRAM PC-1051
Bottom bracket shell width	Not Available
Bottom bracket type	Sram GXP Press Fit
Crankset parts and sizes	39/26t Teeth SRAM S1400
Gear shift levers	SRAM X.7
Rear gear set	12 - 36 Teeth 10-speed

Rocky Mountain Vertex 29 SE Fork System Data

Derailleur (Front)	Direct Mount SRAM X.7
Derailleur (Rear)	SRAM X.9
Fork material	Not Available
Fork type	100 (millimeters) Travel Fox F32 RL 29

Other Specs of Rocky Mountain Vertex 29 SE

Component group sets	Mountain Mix
Pedals details	Not Available
Rear shock absorber	Not Available
Saddle seat	Fi'zi:k Gobi XM
Seat post extension	30.9 (millimeters) Diameter Easton EA70