Specialized ROUBAIX EXPERT ULTEGRA 2008 VS Felt Z4 2011 specs comparison

Specialized Roubaix Expert Ultegra

General Infos

Model	Roubaix Expert Ultegra
Manufacturer	Specialized
Year of production	2008
Current price	Check price Here ==>
Color choice	-Blue
Sizes	- 49cm (centimeters) - 52cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters) - 61cm (centimeters) - 64cm (centimeters)
Sizes	- 49cm (centimeters) - 52cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters) - 61cm (centimeters) - 64cm (centimeters)

Wheels And Breaking System

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

Frame and Body Specs

Frame materials	Zertz Inserts Specialized FACT 8r Carbon
Frame type	Bonded and monocoque
Handlebar construction	31.8 (millimeters) Specialized Zertz Pro
Handlebar extender	Optional
Handlebar stem details	31.8 (millimeters) Clamp Specialized Pro-Set
Headset size	Integrated Threadless 1 1/8 (inches) Threadless Specialized Mindset Plus

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano Ultegra
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano Ultegra
Crankset parts and sizes	34/50 Teeth Shimano Ultegra
Gear shift levers	Shimano Ultegra STI Dual Control
Rear gear set	12 - 27 Teeth 10-speed

Specialized Roubaix Expert Ultegra Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on Shimano Ultegra
Derailleur (Rear)	Shimano Ultegra
Fork material	Aero Crown Carbon and carbon Steerer
Fork type	With Zertz Inserts Specialized FACT

Other Specs of Specialized Roubaix Expert Ultegra

Component group sets	Shimano Ultegra
Pedals details	Test Ride Pedals
Rear shock absorber	Not Available
Saddle seat	Body Geometry Toupé Gel
Seat post extension	27.2 (millimeters) Diameter FACT Carbon With Zert Inserts Specialized Pro SL

Felt Z4

General Infos

Model	Z4
Manufacturer	Felt
Year of production	2011
Current price	Check price Here ==>
Color choice	- DuPont white -Gloss clear
Sizes	- 51 (centimeters) - 54 (centimeters) - 56 (centimeters) - 58 (centimeters) - 61cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 25c Vittoria Zaffiro Pro
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano Ultegra Levers Shimano Ultegra Brakes
Hubs for disc brakes	MAVIC QRM 20H
Rims manufacturer	20-hole Mavic Ksyrium Equipe
Spoke nipples type	Brass
Spoke wheel	Mavic Ksyrium Equipe Stainless

Frame and Body Specs

Frame materials	Felt Classic UHC Advanced MMC
Frame type	Carbon
Handlebar construction	Felt VS 6061
Handlebar extender	Optional
Handlebar stem details	Felt VA Adjustable 6061
Headset size	FSA Integrated

Gearing Specifications

Bicycle chain	Shimano 10 Speed
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano Hollowtech II
Crankset parts and sizes	50/34t Teeth Shimano Ultegra Compact
Gear shift levers	Shimano Ultegra
Rear gear set	11 - 28 Teeth 10-speed

Felt Z4 Fork System Data

Derailleur (Front)	Braze-on Shimano Ultegra
Derailleur (Rear)	Shimano Ultegra
Fork material	Carbon
Fork type	Felt UHC Performance

Other Specs of Felt Z4

Component group sets	Shimano Ultegra
Pedals details	Not Available
Rear shock absorber	Not Available
Saddle seat	Felt D2 Anatomic Road
Seat post extension	Felt UHC Performance