Rocky Mountain ALTITUDE 50 2009 VS Kona BLAST 2011 specs comparison

Rocky Mountain Altitude 50

General Infos

Model	Altitude 50
Manufacturer	Rocky Mountain
Year of production	2009
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) WTB Wolverine
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	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 AM OS Riser
Handlebar extender	Optional
Handlebar stem details	Race Face Evolve
Headset size	1 1/8 (inches) FSA Orbit MX

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 Altitude 50 Fork System Data

Derailleur (Front)	Shimano SLX
Derailleur (Rear)	Shimano XT Shadow
Fork material	Single Crown Magnesium and aluminum
Fork type	140 (millimeters) Travel Fox 32 Float RL

Other Specs of Rocky Mountain Altitude 50

Component group sets	Shimano SLX
Pedals details	Crank Brothers Smarty
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 BLAST

General Infos

Model	BLAST
Manufacturer	Kona
Year of production	2011
Current price	Check price Here ==>
Color choice	-Brilliant blue
Sizes	- 14 (inches) - 16 (inches) - 17 (inches) - 18 (inches) - 19 (inches) - 20 (inches) - 22 (inches)

Wheels And Breaking System

Bike front tire	26x2.1 (inches) Maxxis Aspen
Bike rear tire	Not Available
Bike wheel size	26x2.1 (inches) Wheels
Brakeset type	Shimano M445 Levers Shimano M445 Brakes
Hubs for disc brakes	Rear: Shimano M475 Disc Front: Formula Disc
Rims manufacturer	Alex ACE-18
Spoke nipples type	Not Available
Spoke wheel	15/14ga. Stainless Stainless

Frame and Body Specs

Frame materials	Kona Race Light 7005 Aluminum Butted
Frame type	Aluminum
Handlebar construction	Kona XC and BC Riser
Handlebar extender	Optional
Handlebar stem details	Kona XC and Road
Headset size	FSA

Gearing Specifications

Bicycle chain	Shimano HG53
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano
Crankset parts and sizes	42/34/24t Teeth Shimano FC-M430
Gear shift levers	Shimano Alivio
Rear gear set	11 - 34 Teeth 9-speed

Kona BLAST Fork System Data

Derailleur (Front)	Shimano Alivio
Derailleur (Rear)	Shimano Deore
Fork material	Aluminum
Fork type	100 (millimeters) Travel RockShox Tora TK Coil

Other Specs of Kona BLAST

Component group sets	Shimano Mix
Pedals details	Wellgo LU-A9
Rear shock absorber	Not Available
Saddle seat	WTB Valcon Sport SE
Seat post extension	Kona Thumb