BH G4/ DURA-ACE DI2 2009 VS Specialized ALLEZ A1 COMP 2001 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 A1 Comp

General Infos

Model	Allez A1 Comp
Manufacturer	Specialized
Year of production	2001
Current price	Check price Here ==>
Color choice	-White
Sizes	- 50cm (centimeters) - 52cm (centimeters) - 53cm (centimeters) - 54cm (centimeters) - 55cm (centimeters) - 56cm (centimeters) - 58cm (centimeters) - 60cm (centimeters) - 62cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 23c Specialized Turbo S-Works
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	Shimano WH-R535
Rims manufacturer	Shimano WH-R535
Spoke nipples type	Not Available
Spoke wheel	Shimano WH-535 Stainless Steel

Frame and Body Specs

Frame materials	Double Butted Specialized A1 Aluminum
Frame type	TIG-welded
Handlebar construction	Ritchey Logic Road Pro
Handlebar extender	Optional
Handlebar stem details	3T Forged
Headset size	1 (inches) Threadless Ritchey Logic Pro

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	39/53 Teeth Shimano Ultegra
Gear shift levers	Shimano Ultegra STI Dual Control
Rear gear set	12 - 23 Teeth 9-speed

Specialized Allez A1 Comp 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
Fork type	Kinesis Carbon 2

Other Specs of Specialized Allez A1 Comp

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 Ritchey Comp