Jamis AURORA COMPACT 1998 VS Specialized SIRRUS PRO 2008 specs comparison

Jamis Aurora Compact

General Infos

Model	Aurora Compact
Manufacturer	Jamis
Year of production	1998
Current price	Check price Here ==>
Color choice	-Electric Blue
Sizes	- 47 cm (centimeters)
Sizes	- 47 cm (centimeters)

Wheels And Breaking System

Bike front tire	650 X 25c Ritchey Tom Slick
Bike rear tire	Not Available
Bike wheel size	650c Wheels
Brakeset type	Shimano RSX Levers Shimano RSX Dual Pivot Brakes
Hubs for disc brakes	Shimano RSX
Rims manufacturer	36-hole Sun Rims CR18
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Reynolds 525
Frame type	TIG-welded
Handlebar construction	Kalloy
Handlebar extender	Not Available
Handlebar stem details	Kalloy Chromoly
Headset size	1 (inches) Victor VP-H242NW

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG50
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	118 (millimeters) Spindle Shimano BB-LP26
Crankset parts and sizes	26/36/46 Teeth Shimano RSX
Gear shift levers	Shimano RSX STI Dual Control
Rear gear set	11 - 24 Teeth 7-speed

Jamis Aurora Compact Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 28.6 (millimeters) Shimano RSX Top-swing
Derailleur (Rear)	Shimano RSX GS
Fork material	Unicrown Crown Chromoly
Fork type	Jamis

Other Specs of Jamis Aurora Compact

Component group sets	Shimano RSX
Pedals details	Wellgo With Clips & Straps
Rear shock absorber	Not Available
Saddle seat	Jamis Comp
Seat post extension	26.8 (millimeters) Diameter Kalloy Aluminum Micro-adjust

Specialized Sirrus Pro

General Infos

Model	Sirrus Pro
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)

Wheels And Breaking System

Bike front tire	700 X 28c Specialized All Condition Pro
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Avid FR-5 Levers Linear Pull Brakes Forged Alloy
Hubs for disc brakes	Specialized Forged Alloy
Rims manufacturer	24-hole and 28-hole Alex AS1
Spoke nipples type	Not Available
Spoke wheel	14ga. Stainless Steel

Frame and Body Specs

Frame materials	Zertz Inserts Specialized FACT 9m Carbon
Frame type	Bonded and monocoque
Handlebar construction	31.8 (millimeters) Flat Bar Body Geometry Event Zertz
Handlebar extender	Optional
Handlebar stem details	31.8 (millimeters) Clamp Specialized Comp-Set
Headset size	Integrated Threadless 1 1/8 (inches) Threadless Specialized Mindset

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano 105
Bottom bracket shell width	Not Available
Bottom bracket type	FSA MegaEXO
Crankset parts and sizes	30/39/50 Teeth FSA Gossamer MegaExo
Gear shift levers	Shimano R-440
Rear gear set	11 - 28 Teeth 9-speed

Specialized Sirrus Pro Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on Shimano Tiagra
Derailleur (Rear)	Shimano 105
Fork material	Aero Crown Carbon and carbon Steerer
Fork type	With Speed Zertz Specialized FACT

Other Specs of Specialized Sirrus Pro

Component group sets	Road Mix
Pedals details	Crank Brothers Smarty
Rear shock absorber	Not Available
Saddle seat	Body Geometry Avatar
Seat post extension	27.2 (millimeters) Diameter FACT Carbon With Zertz Insert Aluminum Head Specialized Pavé II