Rocky Mountain VERTEX 30 2007 VS Kona COWAN 2011 specs comparison

Rocky Mountain Vertex 30

General Infos

Model	Vertex 30
Manufacturer	Rocky Mountain
Year of production	2007
Current price	Check price Here ==>
Color choice	- Ice White -GM Silver
Sizes	- 15 (inches) - 16.5 (inches) - 18 (inches) - 19 (inches) - 20.5 (inches)
Sizes	- 15 (inches) - 16.5 (inches) - 18 (inches) - 19 (inches) - 20.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) IRC Mibro Marathon
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Deore Levers Shimano Deore Brakes
Hubs for disc brakes	Shimano Deore
Rims manufacturer	Alex DP-17
Spoke nipples type	Not Available
Spoke wheel	DT Champion Stainless Steel

Frame and Body Specs

Frame materials	7005 aluminum c
Frame type	TIG-welded
Handlebar construction	Easton EA30
Handlebar extender	Not Available
Handlebar stem details	Easton EA30
Headset size	FSA

Gearing Specifications

Bicycle chain	Shimano HG53-9
Bottom bracket shell width	Not Available
Bottom bracket type	Race Face Ride XC X-Type
Crankset parts and sizes	Race Face Ride XC X-Type
Gear shift levers	Shimano Deore RapidFire
Rear gear set	9-speed

Rocky Mountain Vertex 30 Fork System Data

Derailleur (Front)	Shimano XT
Derailleur (Rear)	Shimano Deore
Fork material	Single Crown Aluminum and magnesium and steel
Fork type	105 (millimeters) Travel Marzocchi MX Pro

Other Specs of Rocky Mountain Vertex 30

Component group sets	Shimano Deore
Pedals details	Shimano PD-M520
Rear shock absorber	Not Available
Saddle seat	RMB
Seat post extension	Easton EA30

Kona COWAN

General Infos

Model	COWAN
Manufacturer	Kona
Year of production	2011
Current price	Check price Here ==>
Color choice	-Matt black
Sizes	- 12 (inches) - 14 (inches) - 15 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.4 (inches) Maxxis Holy Roller
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid Juicy 3 Levers Avid Juicy 3 Brakes
Hubs for disc brakes	Formula Disc
Rims manufacturer	Sun Estate
Spoke nipples type	Not Available
Spoke wheel	14ga. Sandvik Stainless

Frame and Body Specs

Frame materials	Kona Clump 7005 Aluminum
Frame type	Aluminum
Handlebar construction	Kona DJ
Handlebar extender	Optional
Handlebar stem details	Kona DH
Headset size	FSA

Gearing Specifications

Bicycle chain	Yaban Half Link
Bottom bracket shell width	Not Available
Bottom bracket type	FSA
Crankset parts and sizes	32T Teeth FSA Moto FR
Gear shift levers	Not Available
Rear gear set	13 Teeth 1-speed

Kona COWAN Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Not Available
Fork type	80 (millimeters) Marzocchi DJ2

Other Specs of Kona COWAN

Component group sets	Mountain Mix
Pedals details	Kona Jackshit
Rear shock absorber	Not Available
Saddle seat	Velo Pivotal
Seat post extension	Pivotal