Rocky Mountain ALTITUDE 50 2010 VS Kona FOUR 2008 specs comparison

Rocky Mountain Altitude 50

General Infos

Model	Altitude 50
Manufacturer	Rocky Mountain
Year of production	2010
Current price	Check price Here ==>
Color choice	-White
Sizes	- 15 (inches) - 16.5 (inches) - 18 (inches) - 19.5 (inches) - 20.5 (inches)
Sizes	- 15 (inches) - 16.5 (inches) - 18 (inches) - 19.5 (inches) - 20.5 (inches)

Wheels And Breaking System

Bike front tire	26 (inches) Continental Mountain King
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Formula RX Levers Formula RX Disc With 180 (millimeters) Rotor Brakes
Hubs for disc brakes	Rear: Shimano M525 Disc Front: Wheeltech Cartridge Disc 15 (millimeters) Axle
Rims manufacturer	Mavic XM317
Spoke nipples type	Not Available
Spoke wheel	DT Swiss Competition

Frame and Body Specs

Frame materials	RMB FORM 7005 Aluminum
Frame type	TIG-welded
Handlebar construction	Race Face Evolve XC Low-rise
Handlebar extender	Optional
Handlebar stem details	Race Face Evolve XC
Headset size	FSA Orbit MX

Gearing Specifications

Bicycle chain	Shimano HG-53
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 Altitude 50 Fork System Data

Derailleur (Front)	DMD Shimano SLX
Derailleur (Rear)	Shimano XT
Fork material	Single Crown Magnesium and aluminum
Fork type	140 (millimeters) Travel Fox 32 Float RL With 15QR Thru Axle

Other Specs of Rocky Mountain Altitude 50

Component group sets	Mountain Mix
Pedals details	Shimano PD-M520
Rear shock absorber	140 (millimeters) Travel Fox Float RP23
Saddle seat	WTB Silverado Race SL
Seat post extension	30.9 (millimeters) Diameter Race Face Evolve XC

Kona Four

General Infos

Model	Four
Manufacturer	Kona
Year of production	2008
Current price	Check price Here ==>
Color choice	-Blue and White and Black
Sizes	- 15 (inches) - 17 (inches) - 18 (inches) - 19 (inches) - 20 (inches) - 22 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) Maxxis Ignitor
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid FR-5 Front and Avid FR- 5 Rear Levers Hayes MX-4 Disc Brakes
Hubs for disc brakes	Rear: Shimano M475 Disc Front: KK Disc
Rims manufacturer	Rear: Velocity Aerohead Front: Alex ACE-18
Spoke nipples type	Not Available
Spoke wheel	14ga. DT Swiss Stainless Steel

Frame and Body Specs

Frame materials	Kona Race Light Scandium Butted
Frame type	TIG-welded
Handlebar construction	Kona Aluminum Riser
Handlebar extender	Optional
Handlebar stem details	Kona Control
Headset size	TH

Gearing Specifications

Bicycle chain	Shimano HG53-9
Bottom bracket shell width	Not Available
Bottom bracket type	FSA Powerdrive
Crankset parts and sizes	22/32/44 Teeth FSA Alpha Drive
Gear shift levers	Shimano Deore
Rear gear set	11 - 32 Teeth 9-speed

Kona Four Fork System Data

Derailleur (Front)	Shimano Deore
Derailleur (Rear)	Shimano Deore
Fork material	Single
Fork type	100 (millimeters) Travel RockShox Dart 2

Other Specs of Kona Four

Component group sets	Shimano Deore
Pedals details	Shimano PD-M505
Rear shock absorber	4 (inches) Travel RockShox Bar 2.1
Saddle seat	WTB Laser V Comp
Seat post extension	Kona Thumb