BH G4/ DURA-ACE 2008 VS Kestrel KM40 AIRFOIL 1999 specs comparison

BH G4/ Dura-Ace

General Infos

Model	G4/ Dura-Ace
Manufacturer	BH
Year of production	2008
Current price	Check price Here ==>
Color choice	-White and Carbon
Sizes	- 54cm (centimeters) - 55.5cm (centimeters) - 57cm (centimeters)
Sizes	- 54cm (centimeters) - 55.5cm (centimeters) - 57cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 23c Vittoria Diamante Pro Light
Bike rear tire	Not Available
Bike wheel size	Not Available
Brakeset type	Shimano Dura-Ace Levers Shimano Dura-Ace Brakes
Hubs for disc brakes	Not Available
Rims manufacturer	Mavic Ksyrium SL
Spoke nipples type	Not Available
Spoke wheel	Bladed Mavic Aluminum

Frame and Body Specs

Frame materials	BH G4 Nano Carbon
Frame type	Monocoque
Handlebar construction	FSA SLK Carbon
Handlebar extender	Optional
Handlebar stem details	FSA OS-99
Headset size	Not Available

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano Hollowtech II
Crankset parts and sizes	39/53 Teeth Shimano Dura-Ace Hollowtech II
Gear shift levers	Shimano Dura-Ace STI
Rear gear set	12 - 25 Teeth 10-speed

BH G4/ Dura-Ace Fork System Data

Derailleur (Front)	Shimano Dura-Ace
Derailleur (Rear)	Shimano Dura-Ace
Fork material	Aero Crown Carbon
Fork type	BH Carbon HM UL

Other Specs of BH G4/ Dura-Ace

Component group sets	Shimano Dura-Ace
Pedals details	Not Available
Rear shock absorber	Not Available
Saddle seat	Pro Logo Nago Ti
Seat post extension	Integrated Carbon Seat Mast

Kestrel KM40 Airfoil

General Infos

Model	KM40 Airfoil
Manufacturer	Kestrel
Year of production	1999
Current price	Check price Here ==>
Color choice	- Red -Kona Blue
Sizes	- 53cm (centimeters) - 56cm (centimeters)

Wheels And Breaking System

Bike front tire	Optional
Bike rear tire	Not Available
Bike wheel size	Optional Wheels
Brakeset type	Dia-Compe 188 TRI Levers Dia-Compe BRS 200 SL Brakes
Hubs for disc brakes	Shimano Ultegra
Rims manufacturer	Optional
Spoke nipples type	Optional
Spoke wheel	Optional

Frame and Body Specs

Frame materials	Carbon Fiber Composite
Frame type	Monocoque
Handlebar construction	Profile AirWings
Handlebar extender	Profile Split-Enz
Handlebar stem details	American Classic
Headset size	1 (inches) Stronglight

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG92
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	Shimano BB-UN72
Crankset parts and sizes	Syncros Revolution
Gear shift levers	Shimano Ultegra STI Dual Control
Rear gear set	Optional Teeth

Kestrel KM40 Airfoil Fork System Data

Derailleur (Front)	Bottom-pull and braze-on Shimano Ultegra
Derailleur (Rear)	Shimano Ultegra GS
Fork material	Unicrown Crown Carbon Fiber Composite
Fork type	Kestrel EMS

Other Specs of Kestrel KM40 Airfoil

Component group sets	Shimano Ultegra
Pedals details	Optional
Rear shock absorber	Not Available
Saddle seat	Titanium Rails Selle Italia Flite
Seat post extension	27.2 (millimeters) Diameter American Classic