Jamis COMET 18 2004 VS Specialized ROUBAIX COMP COMPACT RIVAL 2010 specs comparison

Jamis Comet 18

General Infos

Model	Comet 18
Manufacturer	Jamis
Year of production	2004
Current price	Check price Here ==>
Color choice	-Flame Red and Gloss Black
Sizes	- Extra small - Small - Medium - Large - Extra large
Sizes	- Extra small - Small - Medium - Large - Extra large

Wheels And Breaking System

Bike front tire	700 X 23c Hutchinson Carbon Comp
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	Not Available
Rims manufacturer	Mavic Ksyrium Elite
Spoke nipples type	Not Available
Spoke wheel	Mavic

Frame and Body Specs

Frame materials	Aluminum and carbon Fiber
Frame type	TIG-welded
Handlebar construction	Easton EA70
Handlebar extender	Optional
Handlebar stem details	Easton EA-70
Headset size	1 1/8 (inches) Threadless Cane Creek ZS-2

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 Ultegra
Crankset parts and sizes	39/53 Teeth Shimano Ultegra
Gear shift levers	Shimano Ultegra STI Dual Control
Rear gear set	11 - 23 Teeth 9-speed

Jamis Comet 18 Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 31.8 (millimeters) Shimano Ultegra
Derailleur (Rear)	Shimano Ultegra SS
Fork material	Aero Crown Carbon Fiber Composite With Aluminum Steerer
Fork type	Easton EC70

Other Specs of Jamis Comet 18

Component group sets	Shimano Ultegra
Pedals details	Optional
Rear shock absorber	Not Available
Saddle seat	Titanium Rails Fi'zi:k Pave
Seat post extension	27.2 (millimeters) Diameter Micro-adjust Carbon Fiber

Specialized Roubaix Comp Compact Rival

General Infos

Model	Roubaix Comp Compact Rival
Manufacturer	Specialized
Year of production	2010
Current price	Check price Here ==>
Color choice	-Carbon and White
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	SRAM Rival Levers SRAM Rival Brakes
Hubs for disc brakes	Mavic Aksium
Rims manufacturer	Mavic Aksium
Spoke nipples type	Mavic Aksium
Spoke wheel	Mavic

Frame and Body Specs

Frame materials	FACT 7r Carbon
Frame type	Monocoque
Handlebar construction	Specialized Pro Ergo Alloy
Handlebar extender	Optional
Handlebar stem details	Specialized Comp-Set 3D Forged 4-bolt
Headset size	1 3/8 (inches)-1 1/8 (inches) Alloy

Gearing Specifications

Bicycle chain	SRAM PC-1050
Bottom bracket shell width	Not Available
Bottom bracket type	SRAM S300
Crankset parts and sizes	50/34t Teeth SRAM S300
Gear shift levers	SRAM Rival
Rear gear set	12 - 27 Teeth 10-speed

Specialized Roubaix Comp Compact Rival Fork System Data

Derailleur (Front)	Braze-on SRAM Rival
Derailleur (Rear)	SRAM Rival
Fork material	Aero Crown Carbon
Fork type	Specialized Roubaix

Other Specs of Specialized Roubaix Comp Compact Rival

Component group sets	SRAM Rival
Pedals details	Not Available
Rear shock absorber	Not Available
Saddle seat	Specialized Body Geometry Avatar Gel
Seat post extension	27.2 (millimeters) Diameter Specialized Expert FACT Carbon With Zertz Insert