Specialized SIRRUS COMP CARBON DISC 2015 VS Jamis COMMUTER 4 2011 specs comparison

Specialized SIRRUS COMP CARBON DISC

General Infos

Model	SIRRUS COMP CARBON DISC
Manufacturer	Specialized
Year of production	2015
Current price	Check price Here ==>
Color choice	-Satin Graphite and Gloss Carbon and Hyper
Sizes	- Small - Medium - Large - Extra large
Sizes	- Small - Medium - Large - Extra large

Wheels And Breaking System

Bike front tire	60TPI 700x30c Double BlackBelt Protection Wire Bead Specialized Espoir Sport Reflect
Bike rear tire	Not Available
Bike wheel size	700c
Brakeset type	Hydraulic Disc Resin Pads Tektro Gemini
Hubs for disc brakes	AXIS 1.0 Disc
Rims manufacturer	AXIS 1.0 Disc
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Carbon Fiber
Frame type	1-1/8 (inches) Headtube Fitness Geometry Zertz Specialized Sirrus FACT 9r Carbon
Handlebar construction	10-degree Backsweep 31.8 (millimeters) 4-degree Upsweep 6061 Double Butted Alloy Specialized Flat
Handlebar extender	Not Available
Handlebar stem details	12-degree Rise 3D Forged Alloy 4-bolt Specialized Comp Multi
Headset size	Campy Style With 15 (millimeters) Alloy Cone Spacer 1-1/8 (inches)

Gearing Specifications

Bicycle chain	10-speed Reusable Missing Link KMC X10
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	50/34 Forged Alloy FSA Gossamer
Gear shift levers	10-speed Shimano Tiagra
Rear gear set	10-speed 12-30 Shimano Tiagra

Specialized SIRRUS COMP CARBON DISC Fork System Data

Derailleur (Front)	Shimano Tiagra
Derailleur (Rear)	10-speed Long Cage Shimano Tiagra
Fork material	Carbon Fiber
Fork type	Full Monocoque Specialized FACT Carbon With Zertz

Other Specs of Specialized SIRRUS COMP CARBON DISC

Component group sets	Shimano Tiagra
Pedals details	1.5 (millimeters) Varus Angle Low Profile Bearing System Nylon Body Sy (millimeters)etric Alloy Cage Toe Clip Capable Sirrus
Rear shock absorber	Not Available
Saddle seat	155 (millimeters) Hollow Cr-Mo Rails Body Geometry Targa Comp
Seat post extension	27.2 (millimeters) FACT Carbon Specialized Pro Pave

Jamis Commuter 4

General Infos

Model	Commuter 4
Manufacturer	Jamis
Year of production	2011
Current price	Check price Here ==>
Color choice	- pearl white -Winter blue
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 Inter-8 Front: Shimano DH2N35 Dynamo Hub
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-8S20
Rear gear set	20 Teeth 1-speed

Jamis Commuter 4 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 4

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