Rocky Mountain VERTEX 30 2005 VS Kona COWAN 2009 specs comparison

Rocky Mountain Vertex 30

General Infos

Model	Vertex 30
Manufacturer	Rocky Mountain
Year of production	2005
Current price	Check price Here ==>
Color choice	- Patriot Blue -Team Red
Sizes	- 14.5 (inches) - 16 (inches) - 17.5 (inches) - 18.5 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches)
Sizes	- 14.5 (inches) - 16 (inches) - 17.5 (inches) - 18.5 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) IRC Serac XC
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Hayes SOLE HD Front and Hayes Sole XC Rear Levers Hayes Sole XC Front and Hayes SOLE HD Rear Brakes
Hubs for disc brakes	Rear: Shimano FH-M475 Disc Front: Shimano HB-M475 Disc
Rims manufacturer	32-hole Rear: Alex DP-17 Front: Alex DP17
Spoke nipples type	Not Available
Spoke wheel	DT Swiss Champion Stainless Steel

Frame and Body Specs

Frame materials	Easton 7005 Elite Taperwall
Frame type	TIG-welded
Handlebar construction	Easton
Handlebar extender	Optional
Handlebar stem details	Easton
Headset size	1 1/8 (inches) Threadless FSA

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG53
Bottom bracket shell width	Not Available
Bottom bracket type	FSA
Crankset parts and sizes	RaceFace Ride XC
Gear shift levers	Shimano Deore
Rear gear set	9-speed

Rocky Mountain Vertex 30 Fork System Data

Derailleur (Front)	Shimano Deore
Derailleur (Rear)	Shimano Deore XT
Fork material	Single Crown Aluminum
Fork type	105 (millimeters) Travel Marzocchi EXR Pro

Other Specs of Rocky Mountain Vertex 30

Component group sets	Mountain Mix
Pedals details	Shimano PD-M520 SPD
Rear shock absorber	Not Available
Saddle seat	Velo
Seat post extension	Easton

Kona Cowan

General Infos

Model	Cowan
Manufacturer	Kona
Year of production	2009
Current price	Check price Here ==>
Color choice	-White
Sizes	- Small - medium - large

Wheels And Breaking System

Bike front tire	26 X 2.20 (inches) Maxxis Holy Roller
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano M575 Hydraulic Levers Shimano M575 Disc Brakes
Hubs for disc brakes	Rear: Shimano M525 Disc Front: Formula DH 20 (millimeters)
Rims manufacturer	Sun EQ 3.1SL
Spoke nipples type	Not Available
Spoke wheel	14ga. Sandvic Stainless

Frame and Body Specs

Frame materials	Kona Clump DH 7005 Aluminum
Frame type	TIG-welded
Handlebar construction	Kona Cowan Signature
Handlebar extender	Optional
Handlebar stem details	Kona Clump
Headset size	1 1/8 (inches) FSA ZST-10

Gearing Specifications

Bicycle chain	Shimano HG50
Bottom bracket shell width	73 (millimeters)
Bottom bracket type	FSA Mega EXO
Crankset parts and sizes	36 Teeth FSA Moto-X
Gear shift levers	Shimano Acera
Rear gear set	11 - 32 Teeth 8-speed

Kona Cowan Fork System Data

Derailleur (Front)	Chain Retention Device E.Thirteen STS
Derailleur (Rear)	Shimano Alivio
Fork material	Single
Fork type	100 (millimeters) Travel Marzocchi Dirt Jumper 2

Other Specs of Kona Cowan

Component group sets	Mountain Mix
Pedals details	Kona Jackshit Primo
Rear shock absorber	Not Available
Saddle seat	Alienation Recliner Pivotal
Seat post extension	Alienation Billy Club Pivotal