Specialized SIRRUS 2011 VS Jamis AURORA 1998 specs comparison

Specialized Sirrus

General Infos

Model	Sirrus
Manufacturer	Specialized
Year of production	2011
Current price	🛒 View Price →
Color choice	- Red and Sil - Sil and Blk -Blk and Sil
Sizes	- Xsmall - small - medium - large - xlarge
Sizes	- Xsmall - small - medium - large - xlarge

Wheels And Breaking System

Bike front tire	700 X 32c Specialized All Condition Sport
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	EZ Fire Levers Die Cast Alloy Brakes
Hubs for disc brakes	Forged Alloy
Rims manufacturer	32-hole Alex AS-14
Spoke nipples type	Not Available
Spoke wheel	14ga. Stainless

Frame and Body Specs

Frame materials	A1 Premium Aluminum
Frame type	TIG-welded
Handlebar construction	Alloy Small Riser
Handlebar extender	Optional
Handlebar stem details	Alloy
Headset size	1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	KMC Z-7
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	Sealed
Crankset parts and sizes	28/38/48 Teeth Shimano FCM131
Gear shift levers	EZ Fire
Rear gear set	12 - 32 Teeth 7-speed

Specialized Sirrus Fork System Data

Derailleur (Front)	Shimano
Derailleur (Rear)	Shimano Altus
Fork material	Aero Crown Steel
Fork type	Not Available

Other Specs of Specialized Sirrus

Component group sets	Road Mix
Pedals details	Nylon
Rear shock absorber	Not Available
Saddle seat	Specialized BG Riva Road
Seat post extension	27.2 (millimeters) Diameter Alloy Double Bolt

Jamis Aurora

General Infos

Model	Aurora
Manufacturer	Jamis
Year of production	1998
Current price	🛒 View Price →
Color choice	-Electric Blue
Sizes	- 50 cm (centimeters) - 53 cm (centimeters) - 55 cm (centimeters) - 57 cm (centimeters) - 59 cm (centimeters) - 62 cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 25c Ritchey Tom Slick
Bike rear tire	Not Available
Bike wheel size	700c 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 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

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