Rocky Mountain OXYGEN 50 AC 2010 VS Specialized TARMAC EXPERT C2 2009 specs comparison

Rocky Mountain Oxygen 50 AC

General Infos

Model	Oxygen 50 AC
Manufacturer	Rocky Mountain
Year of production	2010
Current price	Check price Here ==>
Color choice	-Cilver and 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 105 STI Levers Tektro R530 Dual-Pivot Brakes
Hubs for disc brakes	Fulcrum Racing 7
Rims manufacturer	Fulcrum Racing 7
Spoke nipples type	Not Available
Spoke wheel	Wheelset Fulcrum

Frame and Body Specs

Frame materials	7005 Triple Butted Aluminum With Delta Process TT & Carbon Seatstays
Frame type	TIG-welded and bonded
Handlebar construction	FSA Wing Compact
Handlebar extender	Optional
Handlebar stem details	RMB Flip and flop 31.8 (millimeters)
Headset size	FSA Orbit CS

Gearing Specifications

Bicycle chain	Shimano 105
Bottom bracket shell width	Not Available
Bottom bracket type	FSA Mega EXO
Crankset parts and sizes	34/50 Teeth FSA Gossamer
Gear shift levers	Shimano 105 STI
Rear gear set	12 - 27 Teeth 10-speed

Rocky Mountain Oxygen 50 AC Fork System Data

Derailleur (Front)	Clamp On 34.9 (millimeters) Shimano 105
Derailleur (Rear)	Shimano 105
Fork material	Carbon With Alloy Steerer
Fork type	Not Available

Other Specs of Rocky Mountain Oxygen 50 AC

Component group sets	Shimano 105 Mix
Pedals details	Optional
Rear shock absorber	Not Available
Saddle seat	Rocky Mountain Road
Seat post extension	31.6 (millimeters) Diameter RMB

Specialized Tarmac Expert C2

General Infos

Model	Tarmac Expert C2
Manufacturer	Specialized
Year of production	2009
Current price	Check price Here ==>
Color choice	- Team Carbon and Red -Gloss Gunmetal
Sizes	- 49cm (centimeters) - 52cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters) - 61cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 23c Specialized Mondo Pro
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano Ultegra SL STI Levers Shimano Ultegra SL Brakes
Hubs for disc brakes	Shimano Ultegra SL
Rims manufacturer	Shimano Ultegra SL
Spoke nipples type	Not Available
Spoke wheel	Bladed Stainless Steel

Frame and Body Specs

Frame materials	Specialized FACT 8R Az1 Monocoque Carbon
Frame type	Monocoque
Handlebar construction	Specialized Pro
Handlebar extender	Optional
Handlebar stem details	Specialized Pro-Set
Headset size	1 1/2 (inches) To 1 1/8 (inches) Specialized Campy-style

Gearing Specifications

Bicycle chain	Shimano Ultegra
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	Shimano Ultegra SL Hollowtech II
Crankset parts and sizes	34/50 Teeth Shimano Ultegra SL
Gear shift levers	Shimano Ultegra SL STI
Rear gear set	12 - 27 Teeth 10-speed

Specialized Tarmac Expert C2 Fork System Data

Derailleur (Front)	Braze-on Shimano Ultegra SL
Derailleur (Rear)	Shimano Ultegra SL
Fork material	Aero Crown Carbon
Fork type	Specialized Expert FACT Monocoque

Other Specs of Specialized Tarmac Expert C2

Component group sets	Shimano Ultegra SL
Pedals details	Alloy With Toe Clips And Strap
Rear shock absorber	Not Available
Saddle seat	Specialized BG Toup+¬
Seat post extension	27.2 (millimeters) Diameter Specialized Pro SL