Jamis COMET 1998 VS Specialized ROUBAIX PRO DURA-ACE 2010 specs comparison

Jamis Comet

General Infos

Model	Comet
Manufacturer	Jamis
Year of production	1998
Current price	Check price Here ==>
Color choice	-Gloss White
Sizes	- 49 cm (centimeters) - 51 cm (centimeters) - 53 cm (centimeters) - 55 cm (centimeters) - 57 cm (centimeters) - 59 cm (centimeters) - 61 cm (centimeters)
Sizes	- 49 cm (centimeters) - 51 cm (centimeters) - 53 cm (centimeters) - 55 cm (centimeters) - 57 cm (centimeters) - 59 cm (centimeters) - 61 cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 23c Continental Grand Prix Kevlar
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano 600 Ultegra Levers Shimano 600 Ultegra Dual Pivot Brakes
Hubs for disc brakes	Shimano 600 Ultegra
Rims manufacturer	28-hole and 32-hole Mavic CXP 30
Spoke nipples type	Alloy Nipples
Spoke wheel	2.0 (millimeters) Double-butted Wheelsmith Stainless Steel

Frame and Body Specs

Frame materials	Double-butted Aero 7005 Aluminum
Frame type	TIG-welded
Handlebar construction	TTT Forma
Handlebar extender	Not Available
Handlebar stem details	Syncros Altura
Headset size	1 (inches) Shimano 600 Ultegra

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 600 Ultegra
Gear shift levers	Shimano 600 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 600 Ultegra
Derailleur (Rear)	Shimano 600 Ultegra SS
Fork material	Aero Crown Aluminum
Fork type	Kinesis Air Foil

Other Specs of Jamis Comet

Component group sets	Shimano 600 Ultegra
Pedals details	Time Equipe Challenge Pro
Rear shock absorber	Not Available
Saddle seat	Titanium Rails SDG Ventura Comp
Seat post extension	27.0 (millimeters) Diameter Thomson Elite

Specialized Roubaix Pro Dura-Ace

General Infos

Model	Roubaix Pro Dura-Ace
Manufacturer	Specialized
Year of production	2010
Current price	Check price Here ==>
Color choice	-Carbon
Sizes	- 49cm (centimeters) - 52cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters) - 61cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 23c Specialized Roubaix Pro II
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano Dura-Ace Levers Shimano Ultegra Brakes
Hubs for disc brakes	Roval Fusee SL
Rims manufacturer	Roval Fusee SL
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	FACT 9r Carbon
Frame type	FACT IS Construction
Handlebar construction	Specialized S-Works SL Ergo Carbon
Handlebar extender	Optional
Handlebar stem details	Specialized Pro-Set 3D Forged 4-bolt
Headset size	Aheadset

Gearing Specifications

Bicycle chain	Shimano Ultegra
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano Dura-Ace
Crankset parts and sizes	50/34t Teeth Shimano Dura-Ace
Gear shift levers	Shimano Dura-Ace STI
Rear gear set	11 - 28 Teeth 10-speed

Specialized Roubaix Pro Dura-Ace Fork System Data

Derailleur (Front)	Braze-on Shimano Ultegra
Derailleur (Rear)	Shimano Dura-Ace
Fork material	Aero Crown Carbon
Fork type	Specialized Roubaix

Other Specs of Specialized Roubaix Pro Dura-Ace

Component group sets	Shimano Dura-Ace Mix
Pedals details	Not Available
Rear shock absorber	Not Available
Saddle seat	Specialized Body Geometry Toupe With Hollow Ti Rails
Seat post extension	27.2 (millimeters) Diameter Specialized FACT Carbon With Zertz Insert