Rocky Mountain OXYGEN 30 AC 2009 VS Specialized ROUBAIX ELITE 27 2004 specs comparison

Rocky Mountain Oxygen 30 AC

General Infos

Model	Oxygen 30 AC
Manufacturer	Rocky Mountain
Year of production	2009
Current price	Check price Here ==>
Color choice	-Black
Sizes	- 48cm (centimeters) - 51cm (centimeters) - 54cm (centimeters) - 57cm (centimeters) - 60cm (centimeters)
Sizes	- 48cm (centimeters) - 51cm (centimeters) - 54cm (centimeters) - 57cm (centimeters) - 60cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 25c Vittoria Zaffiro
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano Tiagra STI Levers Tektro R310 Dual Pivot Brakes
Hubs for disc brakes	Shimano R500A
Rims manufacturer	Shimano R500A
Spoke nipples type	Not Available
Spoke wheel	Shimano

Frame and Body Specs

Frame materials	7005 Triple Butted Aluminum With Delta Process TT & Carbon Seatstays
Frame type	TIG-welded and bonded
Handlebar construction	Alloy Drop
Handlebar extender	Optional
Handlebar stem details	Alloy 31.8
Headset size	1 1/8 (inches) FSA Orbit CS

Gearing Specifications

Bicycle chain	Shimano Tiagra
Bottom bracket shell width	Not Available
Bottom bracket type	FSA Mega EXO
Crankset parts and sizes	30/39/50 Teeth FSA Omega
Gear shift levers	Shimano Tiagra STI
Rear gear set	12 - 25 Teeth 9-speed

Rocky Mountain Oxygen 30 AC Fork System Data

Derailleur (Front)	Shimano Tiagra
Derailleur (Rear)	Shimano 105
Fork material	Aero Crown Carbon With Alloy Steerer
Fork type	Not Available

Other Specs of Rocky Mountain Oxygen 30 AC

Component group sets	Shimano Tiagra
Pedals details	Not Available
Rear shock absorber	Not Available
Saddle seat	Selle San Marco Ponza
Seat post extension	31.6 (millimeters) Diameter Carbon

Specialized Roubaix Elite 27

General Infos

Model	Roubaix Elite 27
Manufacturer	Specialized
Year of production	2004
Current price	Check price Here ==>
Color choice	-Brushed
Sizes	- 50cm (centimeters) - 62cm (centimeters) - 52cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 25c Specialized All Conditions Pro
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano Ultegra STI Dual Control Levers Shimano Ultegra Dual Pivot Brakes
Hubs for disc brakes	Shimano HB-RM40
Rims manufacturer	16-hole Shimano WH-R540
Spoke nipples type	Aluminum Nipples
Spoke wheel	Bladed Shimano Stainless Steel

Frame and Body Specs

Frame materials	Aluminum and carbon Fiber
Frame type	TIG-welded
Handlebar construction	Specialized Roubaix
Handlebar extender	Not Available
Handlebar stem details	Specialized Roubaix
Headset size	1 1/8 (inches) Integrated Specialized Mindset

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG73
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	118.5 (millimeters) Spindle Shimano Ultegra
Crankset parts and sizes	30/42/52 Teeth Shimano Ultegra
Gear shift levers	Shimano Ultegra STI Dual Control
Rear gear set	12 - 25 Teeth 9-speed

Specialized Roubaix Elite 27 Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 31.8 (millimeters) Shimano Ultegra Triple
Derailleur (Rear)	Shimano Ultegra GS
Fork material	Unicrown Crown Carbon Fiber Composite With Aluminum Steerer
Fork type	Specialized Zertz

Other Specs of Specialized Roubaix Elite 27

Component group sets	Shimano Ultegra Triple
Pedals details	Cr-mo Spindle Composite Body
Rear shock absorber	Not Available
Saddle seat	Specialized Body Geometry Telluride
Seat post extension	27.2 (millimeters) Diameter Specialized Pave