BH G4/ DURA-ACE DI2 2009 VS Specialized ALLEZ COMP DOUBLE 2004 specs comparison

BH G4/ Dura-Ace Di2

General Infos

Model	G4/ Dura-Ace Di2
Manufacturer	BH
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	Not Available
Brakeset type	Shimano Dura-Ace Di2 Levers Shimano Dura-Ace Dual Pivot Brakes
Hubs for disc brakes	Not Available
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 Di2
Rear gear set	11 - 25 Teeth 10-speed

BH G4/ Dura-Ace Di2 Fork System Data

Derailleur (Front)	Shimano Dura-Ace Di2
Derailleur (Rear)	Shimano Dura-Ace Di2
Fork material	Aero Crown Carbon Fiber and carbon Fiber Steerer
Fork type	Not Available

Other Specs of BH G4/ Dura-Ace Di2

Component group sets	Shimano Dura-Ace Di2 Electric
Pedals details	Not Available
Rear shock absorber	Not Available
Saddle seat	Selle San Marco Aspide CS Ti
Seat post extension	Integrated

Specialized Allez Comp Double

General Infos

Model	Allez Comp Double
Manufacturer	Specialized
Year of production	2004
Current price	Check price Here ==>
Color choice	-Red and White
Sizes	- 50cm (centimeters) - 52cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters) - 62cm (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 STI Dual Control Levers Shimano Ultegra Dual Pivot Brakes
Hubs for disc brakes	Mavic Ksyrium Equipe
Rims manufacturer	20-hole and 24-hole Mavic Ksyrium Equipe
Spoke nipples type	Brass Nipples
Spoke wheel	Bladed Mavic Stainless Steel

Frame and Body Specs

Frame materials	Columbus SLX
Frame type	TIG-welded
Handlebar construction	31.8 (millimeters) Specialized Pro
Handlebar extender	Optional
Handlebar stem details	31.8 (millimeters) Specialized Pro
Headset size	1 1/8 (inches) Integrated Specialized Mindset

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-7100
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	109.5 (millimeters) Spindle Shimano Ultegra
Crankset parts and sizes	39/53 Teeth Shimano Ultegra
Gear shift levers	Shimano Ultegra STI Dual Control
Rear gear set	12 - 23 Teeth 9-speed

Specialized Allez Comp Double Fork System Data

Derailleur (Front)	Clamp-on and 31.8 (millimeters) Shimano Ultegra
Derailleur (Rear)	Shimano Ultegra SS
Fork material	Unicrown Crown Carbon Fiber Composite With Carbon Fiber Steerer
Fork type	Specialized C-4

Other Specs of Specialized Allez Comp Double

Component group sets	Shimano Ultegra
Pedals details	Optional
Rear shock absorber	Not Available
Saddle seat	Specialized Body Geometry Pro Leather
Seat post extension	27.2 (millimeters) Diameter Specialized Pave