Specialized ROUBAIX COMP 18 2004 VS Jamis COMET 2011 specs comparison

Specialized Roubaix Comp 18

General Infos

Model	Roubaix Comp 18
Manufacturer	Specialized
Year of production	2004
Current price	Check price Here ==>
Color choice	-Carbon
Sizes	- 52cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters)
Sizes	- 52cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 25c Specialized All Conditions 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	Aluminum Nipples
Spoke wheel	Straight Gauge Mavic Stainless Steel

Frame and Body Specs

Frame materials	Carbon Fiber Composite
Frame type	Bonded and monocoque
Handlebar construction	Specialized Roubaix
Handlebar extender	Not Available
Handlebar stem details	Specialized Roubaix
Headset size	1 1/8 (inches) Integrated Specialized Mindset

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG73
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	109.5 (millimeters) Spindle Shimano Ultegra
Crankset parts and sizes	39/53 Teeth FSA Carbon Pro
Gear shift levers	Shimano Ultegra STI Dual Control
Rear gear set	12 - 25 Teeth 9-speed

Specialized Roubaix Comp 18 Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 31.8 (millimeters) Shimano Ultegra
Derailleur (Rear)	Shimano Ultegra SS
Fork material	Unicrown Crown Carbon Fiber Composite With Carbon Fiber Steerer
Fork type	Specialized Zertz

Other Specs of Specialized Roubaix Comp 18

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

Jamis Comet

General Infos

Model	Comet
Manufacturer	Jamis
Year of production	2011
Current price	Check price Here ==>
Color choice	-Pearl white and monterey red
Sizes	- 47 (centimeters) - 51 (centimeters) - 54 (centimeters) - 56 (centimeters) - 58 (centimeters) - 61cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 23c Vittoria Zaffiro
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Tektro RX 4.1 Levers TRP T725 Aero Brakes
Hubs for disc brakes	Machined Ball Bearing
Rims manufacturer	20-hole and 24-hole Alex ALX-270
Spoke nipples type	Not Available
Spoke wheel	Bladed

Frame and Body Specs

Frame materials	Aero 7005 Butted Aluminum
Frame type	Aluminum
Handlebar construction	Profile Design T2+ Extensions
Handlebar extender	Optional
Handlebar stem details	Jamis Road 3D Forged Alloy
Headset size	1 1/8 (inches) FSA Internal

Gearing Specifications

Bicycle chain	KMC DX10SC
Bottom bracket shell width	Not Available
Bottom bracket type	FSA Mega EXO
Crankset parts and sizes	53/39t Teeth FSA Gossamer
Gear shift levers	Shimano Dura Ace
Rear gear set	11 - 25 Teeth 10-speed

Jamis Comet Fork System Data

Derailleur (Front)	Braze-on Shimano 105 FD-5700
Derailleur (Rear)	Shimano Ultegra RD-6700
Fork material	Carbon
Fork type	Windshield Aero

Other Specs of Jamis Comet

Component group sets	Triathlon Mix
Pedals details	Not Available
Rear shock absorber	Not Available
Saddle seat	Selle San Marco Ponza TT
Seat post extension	Jamis Aero Carbon