Rocky Mountain VERTEX 50 2009 VS Dirt Research KOBUK SUSPENSION 1995 specs comparison

Rocky Mountain Vertex 50

General Infos

Model	Vertex 50
Manufacturer	Rocky Mountain
Year of production	2009
Current price	Check price Here ==>
Color choice	-White and Carbon
Sizes	- 13.5 (inches) - 15 (inches) - 16.5 (inches) - 18 (inches) - 20.5 (inches)
Sizes	- 13.5 (inches) - 15 (inches) - 16.5 (inches) - 18 (inches) - 20.5 (inches)

Wheels And Breaking System

Bike front tire	26 (inches) Hutchinson Toro
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Formula Oro K24 Hydraulic Levers Formula ORO K24 Brakes
Hubs for disc brakes	Mavic CrossRide Disc
Rims manufacturer	Mavic CrossRide Disc
Spoke nipples type	Not Available
Spoke wheel	Bladed Mavic CrossRide

Frame and Body Specs

Frame materials	RMB FORM 7005 Aluminum
Frame type	TIG-welded
Handlebar construction	Easton EA50 Lo Rise
Handlebar extender	Optional
Handlebar stem details	Easton EA50 31.8
Headset size	1 1/8 (inches) FSA TH-848

Gearing Specifications

Bicycle chain	Shimano HG53-9
Bottom bracket shell width	Not Available
Bottom bracket type	Race Face Evolve XC X-Type
Crankset parts and sizes	22/32/44 Teeth Race Face Evolve XC X-Type
Gear shift levers	Shimano SLX RapidFire
Rear gear set	11 - 34 Teeth 9-speed

Rocky Mountain Vertex 50 Fork System Data

Derailleur (Front)	Shimano SLX
Derailleur (Rear)	Shimano XT Shadow
Fork material	Single Crown Magnesium and aluminum
Fork type	100 (millimeters) Travel Fox 32 F100RL

Other Specs of Rocky Mountain Vertex 50

Component group sets	Shimano SLX
Pedals details	Crank Brothers Smarty
Rear shock absorber	Not Available
Saddle seat	WTB Silverado Race SL
Seat post extension	27.2 (millimeters) Diameter Easton EA50

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)

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