Jamis COMET 18 2004 VS Specialized RUBY EXPERT COMPACT 2007 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 Ruby Expert Compact

General Infos

Model	Ruby Expert Compact
Manufacturer	Specialized
Year of production	2007
Current price	Check price Here ==>
Color choice	-Carbon and Silver
Sizes	- Womens 56cm (centimeters) - womens 44cm (centimeters) - womens 48cm (centimeters) - womens 51cm (centimeters) - womens 54cm (centimeters)

Wheels And Breaking System

Bike front tire	Rear: 700 X 25c Specialized Roubaix Pro Front: 700 X 23c Specialized Roubaix Pro
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano Ultegra Levers Shimano Ultegra Brakes
Hubs for disc brakes	Shimano R6600
Rims manufacturer	20-hole and 24-hole Shimano R6600
Spoke nipples type	Not Available
Spoke wheel	14ga. Aero Stainless Steel

Frame and Body Specs

Frame materials	Specialized FACT 7R Monocoque Carbon
Frame type	Bonded and monocoque
Handlebar construction	Specialized Zertz Womens Pro
Handlebar extender	Optional
Handlebar stem details	Specialized Pro-Set
Headset size	1 1/8 (inches) Integrated Specialized Mindset Plus Carbon

Gearing Specifications

Bicycle chain	Shimano Ultegra
Bottom bracket shell width	Not Available
Bottom bracket type	FSA MegaEXO
Crankset parts and sizes	34/50 Teeth FSA SL-K
Gear shift levers	Shimano Ultegra
Rear gear set	12 - 27 Teeth 1-speed

Specialized Ruby Expert Compact Fork System Data

Derailleur (Front)	31.8 (millimeters) Clamp Shimano Ultegra
Derailleur (Rear)	Shimano Ultegra
Fork material	Aero Crown Carbon and carbon Steerer
Fork type	Specialized FACT Monocoque

Other Specs of Specialized Ruby Expert Compact

Component group sets	Shimano Ultegra
Pedals details	Optional
Rear shock absorber	Not Available
Saddle seat	Body Geometry Jett Women's
Seat post extension	27.2 (millimeters) Diameter Specialized Pavé