Jamis COMMUTER 4 2010 VS Specialized SIRRUS ELITE 2015 specs comparison

Jamis Commuter 4

General Infos

Model	Commuter 4
Manufacturer	Jamis
Year of production	2010
Current price	Check price Here ==>
Color choice	- Pearl White -Benzegreen 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 Vittoria Adventure Touring
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Tektro Tenera Levers Shimano BR-M416 Mechanical Disc Brakes
Hubs for disc brakes	Rear: Shimano Alfine Inter-8 Centerlock Disc Front: Shimano Alfine Dynamo Centerlock Disc
Rims manufacturer	36-hole Alex DC25 Disc Rims
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	NVO TM4 Adjustable
Headset size	1 1/8 (inches) Threadless VP Slimstack

Gearing Specifications

Bicycle chain	KMC Z9000
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	110.5 (millimeters) Spindle Sealed Cartridge
Crankset parts and sizes	48/34t Teeth FSA Vero Compact
Gear shift levers	Shimano SL-S500
Rear gear set	18 Teeth 8-speed Internal

Jamis Commuter 4 Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on Shimano R440
Derailleur (Rear)	Shimano CT-S500 Tensioner
Fork material	Unicrown With Tappered Legs Crown Aluminum
Fork type	Jamis City and Cross

Other Specs of Jamis Commuter 4

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

Specialized SIRRUS ELITE

General Infos

Model	SIRRUS ELITE
Manufacturer	Specialized
Year of production	2015
Current price	Check price Here ==>
Color choice	- Satin Orange and Navy and Cyan -Satin Sterling and Gloss Black and Red
Sizes	- XS - S - M - L XL

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	Linear Pull Alloy V-brake
Hubs for disc brakes	32h QR Double-sealed
Rims manufacturer	32h CNC Sidewalls Alloy Double-wall 700c
Spoke nipples type	Not Available
Spoke wheel	14g With Brass Nipple Stainless

Frame and Body Specs

Frame materials	Aluminum
Frame type	Fender and rack Eyelets Fully Manipulated Butted Tubing With Smooth Welds Internal Cable Routing Tapered and integrated Headset Specialized E5 Premium Aluminum
Handlebar construction	10-degree Backsweep 31.8 (millimeters) 4-degree Upsweep 6061 Double Butted Alloy Specialized Flat
Handlebar extender	Not Available
Handlebar stem details	4-bolt 6-degree Rise Specialized 3D Forged Alloy
Headset size	15 (millimeters) Alloy Cone Spacer 1-1/8 (inches) Sealed Cr-Mo Bearings Integrated With Headset

Gearing Specifications

Bicycle chain	9-speed Reusable Missing Link KMC X9
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano
Crankset parts and sizes	48/36/26 9-speed With Chainguard Shimano Acera
Gear shift levers	2x9 With Optical Display Shimano Acera Rapidfire Plus
Rear gear set	11-32 9-speed Shimano

Specialized SIRRUS ELITE Fork System Data

Derailleur (Front)	Dual-pull Top Swing Shimano Acera
Derailleur (Rear)	9-speed Top Mount Shimano Alivio
Fork material	Carbon Fiber and Aluminum
Fork type	Alloy Steerer and crown Specialized FACT Carbon With Zertz

Other Specs of Specialized SIRRUS ELITE

Component group sets	Co (millimeters)uter Mix
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) Steel Rails Body Geometry Targa Sport
Seat post extension	12.5 (millimeters) Offset 2-bolt 27.2 (millimeters) Anti-corrosion Hardware Micro-adjust Alloy