BH Bikes G4/ DURA-ACE 2009 VS Kestrel KM40 AIRFOIL W/ ULTEGRA AERO 2000 specs comparison

BH Bikes G4/ Dura-Ace

General Infos

Model	G4/ Dura-Ace
Manufacturer	BH Bikes
Year of production	2009
Current price	Check price Here ==>
Color choice	-Red
Sizes	- 52cm (centimeters) - 54cm (centimeters) - 55.5cm (centimeters) - 57cm (centimeters) - 58.5cm (centimeters)
Sizes	- 52cm (centimeters) - 54cm (centimeters) - 55.5cm (centimeters) - 57cm (centimeters) - 58.5cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 23c Vittoria Diamante Pro Light
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano Dura-Ace STI Levers Shimano Dura-Ace Dual Pivot Brakes
Hubs for disc brakes	Shimano Dura-Ace CL
Rims manufacturer	Shimano Dura-Ace CL
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	High Modulus Carbon Fiber
Frame type	Bonded and monocoque
Handlebar construction	FSA SLK Carbon Compact
Handlebar extender	Optional
Handlebar stem details	FSA OS-99
Headset size	1 1/8 (inches) FSA Orbit CE Plus

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano Hollowtech II
Crankset parts and sizes	34/50 Teeth Shimano Dura-Ace
Gear shift levers	Shimano Dura-Ace STI
Rear gear set	11 - 25 Teeth 10-speed

BH Bikes G4/ Dura-Ace Fork System Data

Derailleur (Front)	Shimano Dura-Ace
Derailleur (Rear)	Shimano Dura-Ace
Fork material	Aero Crown Carbon Fiber and carbon Fiber Steerer
Fork type	Not Available

Other Specs of BH Bikes G4/ Dura-Ace

Component group sets	Shimano Dura-Ace
Pedals details	Not Available
Rear shock absorber	Not Available
Saddle seat	Selle San Marco Aspide CS Ti
Seat post extension	Integrated

Kestrel KM40 Airfoil w/ Ultegra aero

General Infos

Model	KM40 Airfoil w/ Ultegra aero
Manufacturer	Kestrel
Year of production	2000
Current price	Check price Here ==>
Color choice	- black -Red
Sizes	- 52cm (centimeters) - 56cm (centimeters)

Wheels And Breaking System

Bike front tire	650 X 23c Continental Grand Prix 3000 Kevlar
Bike rear tire	Not Available
Bike wheel size	650c Wheels
Brakeset type	Dia-Compe 188 TRI Levers Cane Creek BRS200 SL Brakes
Hubs for disc brakes	Shimano Ultegra
Rims manufacturer	32-hole Mavic CXP 21
Spoke nipples type	Alloy Nipples
Spoke wheel	1.8 (millimeters) Double-butted Wheelsmith XL Stainless Steel

Frame and Body Specs

Frame materials	Carbon Fiber Composite
Frame type	Monocoque
Handlebar construction	Syntace Stratos 200
Handlebar extender	Syntace C-2
Handlebar stem details	Profile H20
Headset size	1 (inches) Shimano Ultegra

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG92
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	109.5 (millimeters) Spindle Shimano BB-6500
Crankset parts and sizes	42/56 Teeth Shimano Ultegra
Gear shift levers	Shimano Bar-end
Rear gear set	12 - 23 Teeth 9-speed

Kestrel KM40 Airfoil w/ Ultegra aero Fork System Data

Derailleur (Front)	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 w/ Ultegra aero

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