Jamis VENTURA 2004 VS Specialized ROUBAIX EXPERT ULTEGRA 2008 specs comparison

Jamis Ventura

General Infos

Model	Ventura
Manufacturer	Jamis
Year of production	2004
Current price	Check price Here ==>
Color choice	-Candy Blue and Black
Sizes	- Xsmall - small - medium - large - xlarge
Sizes	- Xsmall - small - medium - large - xlarge

Wheels And Breaking System

Bike front tire	700 X 23c Hutchinson Flash
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano Tiagra STI Dual Control Levers Tektro Dual Pivot Brakes
Hubs for disc brakes	Ritchey Comp
Rims manufacturer	Ritchey DS Comp
Spoke nipples type	Not Available
Spoke wheel	Ritchey

Frame and Body Specs

Frame materials	7005 aluminum c
Frame type	TIG-welded
Handlebar construction	Ritchey Biomax II
Handlebar extender	Optional
Handlebar stem details	Ritchey Comp
Headset size	1 1/8 (inches) Threadless Dia-Compe SAS

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG73
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	113 (millimeters) Spindle Tien Hsin BB-7418
Crankset parts and sizes	30/42/52 Teeth TruVativ Touro
Gear shift levers	Shimano Tiagra STI Dual Control
Rear gear set	12 - 23 Teeth 9-speed

Jamis Ventura Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 28.6 (millimeters) Shimano Tiagra Triple
Derailleur (Rear)	Shimano 105 GS
Fork material	Aero Crown Carbon Fiber Composite With Chromoly Steerer
Fork type	Kinesis Carbon II

Other Specs of Jamis Ventura

Component group sets	Shimano Tiagra Triple
Pedals details	Ritchey Logic Pro V.2
Rear shock absorber	Not Available
Saddle seat	Selle Royale Look-In
Seat post extension	27.2 (millimeters) Diameter Ritchey Comp

Specialized Roubaix Expert Ultegra

General Infos

Model	Roubaix Expert Ultegra
Manufacturer	Specialized
Year of production	2008
Current price	Check price Here ==>
Color choice	-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 23c Specialized Roubaix Pro
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano Ultegra STI Dual Control Levers Shimano Ultegra Brakes
Hubs for disc brakes	Shimano Ultegra
Rims manufacturer	Shimano Ultegra
Spoke nipples type	Not Available
Spoke wheel	Stainless Steel

Frame and Body Specs

Frame materials	Zertz Inserts Specialized FACT 8r Carbon
Frame type	Bonded and monocoque
Handlebar construction	31.8 (millimeters) Specialized Zertz Pro
Handlebar extender	Optional
Handlebar stem details	31.8 (millimeters) Clamp Specialized Pro-Set
Headset size	Integrated Threadless 1 1/8 (inches) Threadless Specialized Mindset Plus

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano Ultegra
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano Ultegra
Crankset parts and sizes	34/50 Teeth Shimano Ultegra
Gear shift levers	Shimano Ultegra STI Dual Control
Rear gear set	12 - 27 Teeth 10-speed

Specialized Roubaix Expert Ultegra Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on Shimano Ultegra
Derailleur (Rear)	Shimano Ultegra
Fork material	Aero Crown Carbon and carbon Steerer
Fork type	With Zertz Inserts Specialized FACT

Other Specs of Specialized Roubaix Expert Ultegra

Component group sets	Shimano Ultegra
Pedals details	Test Ride Pedals
Rear shock absorber	Not Available
Saddle seat	Body Geometry Toupé Gel
Seat post extension	27.2 (millimeters) Diameter FACT Carbon With Zert Inserts Specialized Pro SL