Specialized DEMO 8 I 2009 VS Rocky Mountain ALTITUDE 50 2011 specs comparison

Specialized Demo 8 I

General Infos

Model	Demo 8 I
Manufacturer	Specialized
Year of production	2009
Current price	Check price Here ==>
Color choice	-Red and White
Sizes	- Small - medium - large
Sizes	- Small - medium - large

Wheels And Breaking System

Bike front tire	26 X 2.30 (inches) Specialized Chunder SX
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid Elixir R Levers Avid Elixir R With 203 (millimeters) Rotor Front and Avid Elixir R With 185 (millimeters) Rotor Rear Brakes
Hubs for disc brakes	Rear: Specialized Thru-axle Front: Specialized Hi Lo Disc
Rims manufacturer	32-hole DT Swiss F550
Spoke nipples type	Brass Nipples
Spoke wheel	14ga. DT Swiss Champion Stainless Steel

Frame and Body Specs

Frame materials	Specialized M5 ORE Aluminum
Frame type	TIG-welded
Handlebar construction	Specialized Demo Riser 31.8 (millimeters)
Handlebar extender	Optional
Handlebar stem details	Specialized Aggro
Headset size	1 1/8 (inches) Cartridge

Gearing Specifications

Bicycle chain	SRAM PC-971
Bottom bracket shell width	73 (millimeters)
Bottom bracket type	Truvativ Howitzer XR
Crankset parts and sizes	TruVativ Hussefelt
Gear shift levers	SRAM X.7 Trigger
Rear gear set	12 - 26 Teeth 9-speed

Specialized Demo 8 I Fork System Data

Derailleur (Front)	Chain Retention Device Gamut P-30 Chain Guide
Derailleur (Rear)	SRAM X.9
Fork material	Dual Crown Magnesium and aluminum
Fork type	203 (millimeters) Travel RockShox Boxxer Race

Other Specs of Specialized Demo 8 I

Component group sets	SRAM Mix
Pedals details	Specialized Lo Pro Alloy
Rear shock absorber	8.2 (inches) Travel Fox DHX 4.0 Coil
Saddle seat	Specialized Enduro
Seat post extension	30.9 (millimeters) Diameter 6061 Butted Alloy Two-bolt

Rocky Mountain Altitude 50

General Infos

Model	Altitude 50
Manufacturer	Rocky Mountain
Year of production	2011
Current price	Check price Here ==>
Color choice	-Silver
Sizes	- 15 (inches) - 16.5 (inches) - 18 (inches) - 19 (inches) - 20.5 (inches)

Wheels And Breaking System

Bike front tire	Rear: 26 X 2.1'' Maxxis Crossmark Front: 26 X 2.25'' Maxxis Ardent
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Formula RX Levers Formula RX Hydraulic Disc Brakes
Hubs for disc brakes	Rear: Shimano M525 Disc Front: Wheeltech Disc Cartridge Bearing
Rims manufacturer	DT Swiss 445D
Spoke nipples type	Not Available
Spoke wheel	DT Swiss Competition

Frame and Body Specs

Frame materials	FORM 7005 Aluminum
Frame type	Aluminum
Handlebar construction	Easton EA50 Lo Rise
Handlebar extender	Optional
Handlebar stem details	Easton 6 Degrees
Headset size	FSa ZS-4D

Gearing Specifications

Bicycle chain	Shimano HG53
Bottom bracket shell width	Not Available
Bottom bracket type	Race Face Evolve X-Type
Crankset parts and sizes	44/32/22t Teeth Race Face Evolve
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
Fork material	Not Available
Fork type	140 (millimeters) Travel Fox 32 Float RL

Other Specs of Rocky Mountain Altitude 50

Component group sets	Mountain Mix
Pedals details	Not Available
Rear shock absorber	140 (millimeters) Travel Fox Float RP2 XV
Saddle seat	Fi'zi:k Gobi XM
Seat post extension	30.9 (millimeters) Diameter Easton EA50