Specialized S-WORKS AMIRA 2010 VS Kestrel 4000 PRO SL-SHIMANO ULTEGRA 650 2011 specs comparison

Specialized S-Works Amira

General Infos

Model	S-Works Amira
Manufacturer	Specialized
Year of production	2010
Current price	Check price Here ==>
Color choice	-Carbon and White
Sizes	- Womens 44cm (centimeters) - womens 48cm (centimeters) - womens 51cm (centimeters) - womens 54cm (centimeters) - womens 56cm (centimeters)
Sizes	- Womens 44cm (centimeters) - womens 48cm (centimeters) - womens 51cm (centimeters) - womens 54cm (centimeters) - womens 56cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 23c S-Works Mondo Open Tubular
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano Dura-Ace Levers Shimano Dura-Ace Brakes
Hubs for disc brakes	Roval Rapide SL 45
Rims manufacturer	Roval Rapide SL 45
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	FACT 10r Carbon
Frame type	FACT IS Construction
Handlebar construction	Specialized S-Works Ruby SL Ergo Carbon
Handlebar extender	Optional
Handlebar stem details	Specialized S-Works 3D Forged
Headset size	1 3/8 (inches)-1 1/8 (inches) Aheadset

Gearing Specifications

Bicycle chain	Shimano Dura-Ace
Bottom bracket shell width	Not Available
Bottom bracket type	Specialized OS Integrated Ceramic
Crankset parts and sizes	50/34t Teeth Specialized S-Works
Gear shift levers	Shimano Dura-Ace STI
Rear gear set	12 - 27 Teeth 10-speed

Specialized S-Works Amira Fork System Data

Derailleur (Front)	Braze-on Shimano Dura-Ace
Derailleur (Rear)	Shimano Dura-Ace
Fork material	Aero Crown FACT Carbon
Fork type	S-works Amira FACT Carbon Monocoque

Other Specs of Specialized S-Works Amira

Component group sets	Shimano Dura-Ace
Pedals details	Not Available
Rear shock absorber	Not Available
Saddle seat	Specialized Body Geometry Ruby Gel With Hollow Ti Rails
Seat post extension	27.2 (millimeters) Diameter Specialized S-Works FACT Carbon With Zertz Insert

Kestrel 4000 Pro SL-Shimano Ultegra 650

General Infos

Model	4000 Pro SL-Shimano Ultegra 650
Manufacturer	Kestrel
Year of production	2011
Current price	Check price Here ==>
Color choice	-Blue and White
Sizes	- 47cm (centimeters)

Wheels And Breaking System

Bike front tire	650 X 23c Vittoria Rubino Pro
Bike rear tire	Not Available
Bike wheel size	650c Wheels
Brakeset type	Oval A900 Carbon Levers TRP T-920 Brakes
Hubs for disc brakes	Not Available
Rims manufacturer	Oval W745 Carbon and alloy Clincher
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Carbon
Frame type	Bonded and monocoque
Handlebar construction	Oval R901 Carbon
Handlebar extender	Optional
Handlebar stem details	Oval R700 Alloy
Headset size	1 1/4 (inches) To 1 1/8 (inches) FSA No.53

Gearing Specifications

Bicycle chain	Wippermann Connex
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano Ultegra With BB30 Adapter
Crankset parts and sizes	39/53 Teeth Shimano Ultegra
Gear shift levers	Shimano Dura Ace Bar End
Rear gear set	11 - 25 Teeth 10-speed

Kestrel 4000 Pro SL-Shimano Ultegra 650 Fork System Data

Derailleur (Front)	Shimano Ultegra
Derailleur (Rear)	Shimano Ultegra
Fork material	Aero Crown Carbon
Fork type	Kestrel EMS Pro TT

Other Specs of Kestrel 4000 Pro SL-Shimano Ultegra 650

Component group sets	Shimano Ultegra
Pedals details	Not Available
Rear shock absorber	Not Available
Saddle seat	Oval ST700 Tri With Ti Rails
Seat post extension	Kestrel Aero Carbon With Ritchey Clamp System