Jamis AURORA 2002 VS Specialized SIRRUS EXPERT 2009 specs comparison

Jamis Aurora

General Infos

Model	Aurora
Manufacturer	Jamis
Year of production	2002
Current price	Check price Here ==>
Color choice	-Silver
Sizes	- 47cm (centimeters) - 50cm (centimeters) - 53cm (centimeters) - 55cm (centimeters) - 57cm (centimeters) - 59cm (centimeters) - 62cm (centimeters)
Sizes	- 47cm (centimeters) - 50cm (centimeters) - 53cm (centimeters) - 55cm (centimeters) - 57cm (centimeters) - 59cm (centimeters) - 62cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 30c Ritchey Tom Slick
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano Sora STI Dual Control Levers Tektro Cantilever Brakes
Hubs for disc brakes	Rear: Ritchey Comp Zero Front: Ritchey Comp
Rims manufacturer	32-hole Rear: Ritchy Rock Comp OCR Front: Ritchey Rock Comp
Spoke nipples type	Brass Nipples
Spoke wheel	14ga. Straight Gauge Ritchey Stainless Steel

Frame and Body Specs

Frame materials	Reynolds 520
Frame type	Brazed and welded
Handlebar construction	Ritchey Biomax II
Handlebar extender	Optional
Handlebar stem details	Aluminum
Headset size	1 (inches) VP

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG50
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	113 (millimeters) Spindle Tien Hsin BB-7418AL
Crankset parts and sizes	30/42/52 Teeth Cyclone Aluminum
Gear shift levers	Shimano Sora STI Dual Control
Rear gear set	12 - 25 Teeth 8-speed

Jamis Aurora Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 28.6 (millimeters) Shimano Sora
Derailleur (Rear)	Shimano Sora GS
Fork material	Unicrown Crown Chromoly
Fork type	Not Available

Other Specs of Jamis Aurora

Component group sets	Road Mix
Pedals details	Wellgo LU-209
Rear shock absorber	Not Available
Saddle seat	Selle Royale Look-In
Seat post extension	27.2 (millimeters) Diameter Aluminum Micro-adjust

Specialized Sirrus Expert

General Infos

Model	Sirrus Expert
Manufacturer	Specialized
Year of production	2009
Current price	Check price Here ==>
Color choice	-Gloss White
Sizes	- Xsmall - small - medium - large - xlarge

Wheels And Breaking System

Bike front tire	700 X 28c Specialized All Condition Armadillo Elite
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Avid FR-5 Levers Forged Alloy Linear Pull Brakes
Hubs for disc brakes	Specialized Forged Alloy
Rims manufacturer	28-hole and 32-hole Mavic CXP22
Spoke nipples type	Brass Nipples
Spoke wheel	14ga. DT Swiss Champion Stainless Steel

Frame and Body Specs

Frame materials	Specialized A1 Premium Aluminum With FACT Carbon and Zertz Seatstays
Frame type	TIG-welded and bonded
Handlebar construction	Specialized Event
Handlebar extender	Optional
Handlebar stem details	Specialized Comp-Set
Headset size	1 1/8 (inches) Specialized Mindset

Gearing Specifications

Bicycle chain	Shimano HG73
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	113 (millimeters) Spindle Sealed Cartridge
Crankset parts and sizes	30/39/50 Teeth Sugino Comp
Gear shift levers	Shimano Tiagra Flat-bar
Rear gear set	11 - 28 Teeth 9-speed

Specialized Sirrus Expert Fork System Data

Derailleur (Front)	Shimano Tiagra
Derailleur (Rear)	Shimano 105
Fork material	Aero Crown Carbon and zertz
Fork type	Specialized FACT

Other Specs of Specialized Sirrus Expert

Component group sets	Shimano Mix
Pedals details	Alloy With Toe Clips And Strap
Rear shock absorber	Not Available
Saddle seat	Specialized BG Sonoma
Seat post extension	27.2 (millimeters) Diameter Specialized Carbon Wrapped