Jamis COMMUTER 3 2011 VS Specialized SIRRUS LIMITED 2012 specs comparison

Jamis Commuter 3

General Infos

Model	Commuter 3
Manufacturer	Jamis
Year of production	2011
Current price	Check price Here ==>
Color choice	- pearl blue -Gloss black
Sizes	- M: 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 F: 14 (inches) - 18 (inches)
Sizes	- M: 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 F: 14 (inches) - 18 (inches)

Wheels And Breaking System

Bike front tire	700 X 32c Vittoria Adventure Touring
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Tektro Tenera Levers Tektro Linear Pull Brakes
Hubs for disc brakes	Rear: Shimano Nexus 7-Speed Internal Front: Formula Alloy
Rims manufacturer	36-hole Alex ID-19
Spoke nipples type	Not Available
Spoke wheel	14ga. Stainless Steel Stainless

Frame and Body Specs

Frame materials	6061 Triple Gauge Aluminum
Frame type	Aluminum
Handlebar construction	Jamis ARC
Handlebar extender	Optional
Handlebar stem details	NVO Components
Headset size	1 1/8 (inches) VP Slimstack

Gearing Specifications

Bicycle chain	KMC Z410
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	122.5 (millimeters) Spindle Sealed Cartridge
Crankset parts and sizes	42T Teeth Forged Alloy
Gear shift levers	Shimano RevoShift SL-7S10
Rear gear set	20 Teeth 1-speed

Jamis Commuter 3 Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Aluminum
Fork type	Jamis City and Cross

Other Specs of Jamis Commuter 3

Component group sets	Co (millimeters)uter Mix
Pedals details	Comfort Platform
Rear shock absorber	Not Available
Saddle seat	Jamis Metro Sport
Seat post extension	27.2 (millimeters) Diameter Jamis Alloy Micro-adjust

Specialized Sirrus Limited

General Infos

Model	Sirrus Limited
Manufacturer	Specialized
Year of production	2012
Current price	Check price Here ==>
Color choice	-Carbon and Slate
Sizes	- 49cm (centimeters) - 52cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters) - 61cm (centimeters)

Wheels And Breaking System

Bike front tire	AllCondition Armadillo 700x23c
Bike rear tire	Not Available
Bike wheel size	Not Available
Brakeset type	Tektro Dual Pivot
Hubs for disc brakes	Unavailable Front Hub Unavailable Rear Hub
Rims manufacturer	Sirrus 460V
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Specialized FACT 8r Carbon
Frame type	Not Available
Handlebar construction	Specialized DB Flat Bar 31.8 (millimeters)
Handlebar extender	Not Available
Handlebar stem details	Specialized EliteSet
Headset size	Integrated 1-1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	KMC X-10 Ti
Bottom bracket shell width	Not Available
Bottom bracket type	Cartridge External Bearing
Crankset parts and sizes	FSA Omega Compact
Gear shift levers	SRAM SL Trigger 10spd
Rear gear set	Not Available

Specialized Sirrus Limited Fork System Data

Derailleur (Front)	SRAM Apex
Derailleur (Rear)	SRAM Apex
Fork material	Not Available
Fork type	FACT Carbon Full With Zertz

Other Specs of Specialized Sirrus Limited

Component group sets	Not Available
Pedals details	Toe Clip Compat Sirrus Pedal
Rear shock absorber	Unavailable Rear Shock
Saddle seat	Targa Comp Cro-mo Rails 143
Seat post extension	Spclzd Elite Carbon and alloy 27.2