Jamis COMET 2000 VS BH Bikes G4/ DURA-ACE 2009 specs comparison

Jamis Comet

General Infos

Model	Comet
Manufacturer	Jamis
Year of production	2000
Current price	Check price Here ==>
Color choice	-Metallic GTO
Sizes	- 47cm (centimeters) - 49cm (centimeters) - 51cm (centimeters) - 53cm (centimeters) - 55cm (centimeters) - 57cm (centimeters) - 59cm (centimeters) - 61cm (centimeters)
Sizes	- 47cm (centimeters) - 49cm (centimeters) - 51cm (centimeters) - 53cm (centimeters) - 55cm (centimeters) - 57cm (centimeters) - 59cm (centimeters) - 61cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 23c Hutchinson Kronos
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano Ultegra STI Levers Shimano Ultegra Dual Pivot Brakes
Hubs for disc brakes	Mavic Cosmic Elite
Rims manufacturer	20-hole Mavic Cosmic Elite
Spoke nipples type	Alloy Nipples
Spoke wheel	1.8 (millimeters) Double-butted Mavic Stainless Steel

Frame and Body Specs

Frame materials	Double-butted With Replaceable Derailleur Hanger 7005 Aluminum
Frame type	Brazed and welded
Handlebar construction	Profile Ha (millimeters)er
Handlebar extender	Not Available
Handlebar stem details	Profile Stiffy
Headset size	1 (inches) Cane Creek C2

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG92
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	118.5 (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

Jamis Comet Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 28.6 (millimeters) Shimano Ultegra
Derailleur (Rear)	Shimano Ultegra SS
Fork material	Unicrown Crown Carbon Fiber Composite
Fork type	Profile BRC

Other Specs of Jamis Comet

Component group sets	Shimano Ultegra
Pedals details	Optional
Rear shock absorber	Not Available
Saddle seat	SDG Satellite
Seat post extension	27.2 (millimeters) Diameter Thomson Elite

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)

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