Jamis COMET 2008 VS Specialized ROUBAIX EXPERT SL C2 2009 specs comparison

Jamis Comet

General Infos

Model	Comet
Manufacturer	Jamis
Year of production	2008
Current price	Check price Here ==>
Color choice	-Monterey Blue and Pearl White
Sizes	- 51cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters) - 61cm (centimeters)
Sizes	- 51cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (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	Tekto RX 4.1 Levers Tektro R-350 Brakes
Hubs for disc brakes	Alex ALX-270 Aero
Rims manufacturer	Alex ALX-270 Aero
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Aero 7005 Butted Aluminum
Frame type	TIG-welded
Handlebar construction	Profile Design T2 Wing
Handlebar extender	Not Available
Handlebar stem details	Jamis
Headset size	1 (inches) Aheadset

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) SRAM PC-1030
Bottom bracket shell width	Not Available
Bottom bracket type	FSA Mega EXO
Crankset parts and sizes	FSA Gossamer
Gear shift levers	Shimano Dura-Ace Bar-end
Rear gear set	11 - 23 Teeth 10-speed

Jamis Comet Fork System Data

Derailleur (Front)	Braze-on Shimano 105
Derailleur (Rear)	Shimano 105
Fork material	Aero Crown Carbon and chromoly Steerer
Fork type	Jamis Aero

Other Specs of Jamis Comet

Component group sets	Triathlon Mix
Pedals details	Optional
Rear shock absorber	Not Available
Saddle seat	Selle San Marco Ponza Trilon
Seat post extension	27.2 (millimeters) Diameter Jamis Aero Carbon

Specialized Roubaix Expert SL C2

General Infos

Model	Roubaix Expert SL C2
Manufacturer	Specialized
Year of production	2009
Current price	Check price Here ==>
Color choice	- Gloss Purple and White - Gloss White -Gloss Carbon and Blue
Sizes	- 49cm (centimeters) - 52cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters) - 61cm (centimeters) - 64cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 23/25c Specialized Roubaix Pro
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano Ultegra SL STI Levers Shimano Ultegra SL Brakes
Hubs for disc brakes	Shimano Ultegra SL
Rims manufacturer	Shimano Ultegra SL
Spoke nipples type	Not Available
Spoke wheel	Bladed Stainless Steel

Frame and Body Specs

Frame materials	Specialized FACT 9r Carbon With Zertz Inserts
Frame type	Bonded and monocoque
Handlebar construction	Specialized Pro
Handlebar extender	Optional
Handlebar stem details	Specialized Pro-Set
Headset size	1 3/8 (inches)-1 1/8 (inches) Specialized Campy-style

Gearing Specifications

Bicycle chain	Shimano Ultegra
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	Shimano Ultegra SL Hollowtech II
Crankset parts and sizes	34/50 Teeth Shimano Ultegra SL
Gear shift levers	Shimano Ultegra SL STI
Rear gear set	12 - 27 Teeth 10-speed

Specialized Roubaix Expert SL C2 Fork System Data

Derailleur (Front)	Braze-on Shimano Ultegra SL
Derailleur (Rear)	Shimano Ultegra SL
Fork material	Aero Crown Carbon and zertz
Fork type	Specialized FACT

Other Specs of Specialized Roubaix Expert SL C2

Component group sets	Shimano Ultegra SL
Pedals details	Alloy With Toe Clips And Strap
Rear shock absorber	Not Available
Saddle seat	Specialized BG Toup+¬ Gel
Seat post extension	27.2 (millimeters) Diameter Specialized Pro SL