Jamis COMMUTER 1 2010 VS Specialized SIRRUS 2012 specs comparison

Jamis Commuter 1

General Infos

Model	Commuter 1
Manufacturer	Jamis
Year of production	2010
Current price	Check price Here ==>
Color choice	- Pearl White and Stainless - Reef Blue and Stainless -Pewter and Stainless
Sizes	- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches) - womens 14 (inches) - womens 18 (inches)
Sizes	- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches) - womens 14 (inches) - womens 18 (inches)

Wheels And Breaking System

Bike front tire	700 X 32c CST Marathon and Tour
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Tektro Tenera Levers Alloy Direct Pull Brakes
Hubs for disc brakes	Rear: Shimano Nexus 3 Speed Internal Gear Front: Formula Alloy QR
Rims manufacturer	36-hole Alex R-1000
Spoke nipples type	Not Available
Spoke wheel	14ga. Stainless Steel

Frame and Body Specs

Frame materials	6061 Triple Gauge Aluminum
Frame type	TIG-welded
Handlebar construction	Jamis ARC
Handlebar extender	Optional
Handlebar stem details	Jamis Alloy Quill Type
Headset size	1 1/8 (inches) Threaded Sealed

Gearing Specifications

Bicycle chain	KMC Z410
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	129 (millimeters) Spindle VP Sealed Bolt Type 3RB Axle
Crankset parts and sizes	44 Teeth Forged Alloy With Chainguard
Gear shift levers	Shimano SL-7S10 Revo
Rear gear set	20 Teeth 3-speed Internal

Jamis Commuter 1 Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Unicrown With Tappered Legs Crown High-tensile Steel
Fork type	Jamis

Other Specs of Jamis Commuter 1

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

Specialized Sirrus

General Infos

Model	Sirrus
Manufacturer	Specialized
Year of production	2012
Current price	Check price Here ==>
Color choice	- Graphite -Gloss Green
Sizes	- Small - Medium - Large - Extra large

Wheels And Breaking System

Bike front tire	Specialized Nimbus Fak Jacket
Bike rear tire	Not Available
Bike wheel size	Not Available
Brakeset type	Alloy Linear Pull
Hubs for disc brakes	Unavailable Front Hub Unavailable Rear Hub
Rims manufacturer	Sirrus DLX700 700 X 32
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	A1 Premium Aluminum
Frame type	Not Available
Handlebar construction	Specialized PG Flat Bar25.4
Handlebar extender	Not Available
Handlebar stem details	Alloy 20 Degree
Headset size	1 1/8 (inches) Sealed

Gearing Specifications

Bicycle chain	KMC X8 Nickel Plate
Bottom bracket shell width	Not Available
Bottom bracket type	Square 68 Sealed Cartridge
Crankset parts and sizes	Shimano FC-M131 With Chainguard
Gear shift levers	Shimano EF-51 8spd
Rear gear set	Not Available

Specialized Sirrus Fork System Data

Derailleur (Front)	Shimano Topswing
Derailleur (Rear)	Shimano Altus 8spd
Fork material	Not Available
Fork type	Steel Straight Blade

Other Specs of Specialized Sirrus

Component group sets	Not Available
Pedals details	Nylon Flat Pedal
Rear shock absorber	Unavailable Rear Shock
Saddle seat	Body Geomety Targa Sport 155 (millimeters)
Seat post extension	Alloy 27.2