Specialized SIRRUS 2015 VS Jamis COMMUTER 3.0 2007 specs comparison

Specialized SIRRUS

General Infos

Model	SIRRUS
Manufacturer	Specialized
Year of production	2015
Current price	🛒 View Price →
Color choice	- Satin Hyper and Black and Gunmetal -Satin Black and Charcoal and Cyan
Sizes	- XS - S - M - L XL
Sizes	- XS - S - M - L XL

Wheels And Breaking System

Bike front tire	26TPI 700x32c Flak Jacket Protection Wire Bead Specialized Nimbus
Bike rear tire	Not Available
Bike wheel size	700c
Brakeset type	Linear Pull With Alloy Lever 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 Integrated Lower Bearing Specialized A1 Premium Aluminum
Handlebar construction	25.4 (millimeters) 6-degree Backsweep Alloy Specialized Flat
Handlebar extender	Not Available
Handlebar stem details	20-degree Rise 25.4 (millimeters) Clamp 4-bolt Melt-forged Alloy Ahead Stem
Headset size	External Sealed Upper Bearings 1-1/8 (inches) FSA Integrated Cartridge Lower

Gearing Specifications

Bicycle chain	8-speed Reusable Missing Link KMC X8
Bottom bracket shell width	Not Available
Bottom bracket type	Cartridge Bearings Square Taper
Crankset parts and sizes	8-speed Triple With Chainguard Shimano Altus
Gear shift levers	8-speed Shimano EZ Fire
Rear gear set	11-32 8-speed Shimano

Specialized SIRRUS Fork System Data

Derailleur (Front)	Dual-pull Top Swing Shimano FD-M191
Derailleur (Rear)	8-speed Shimano Altus
Fork material	High Tensile Steel
Fork type	Rack and fender Mounts Straight Blade Steel

Other Specs of Specialized SIRRUS

Component group sets	Co (millimeters)uter Mix
Pedals details	Nylon Flat
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

Jamis Commuter 3.0

General Infos

Model	Commuter 3.0
Manufacturer	Jamis
Year of production	2007
Current price	🛒 View Price →
Color choice	- Machine Silver -Gloss Black
Sizes	- 14.5GÇ¥ - 16.5GÇ¥ - 18.5GÇ¥ - 20.5GÇ¥ - 22GÇ¥ - women's 14.5GÇ¥ - women's 17.5GÇ¥

Wheels And Breaking System

Bike front tire	700 X 32c Kenda Kwest
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Tektro Tenera Levers Tektro Forged Alloy Brakes
Hubs for disc brakes	Formula QR
Rims manufacturer	36-hole Weinmann Zac 1800
Spoke nipples type	Not Available
Spoke wheel	14ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	6061 Aluminum c
Frame type	TIG-welded
Handlebar construction	Classic City-bike Style
Handlebar extender	Optional
Handlebar stem details	Satori Adjustable
Headset size	1 (inches) Threaded Sealed

Gearing Specifications

Bicycle chain	KMC Z610
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	113 (millimeters) Spindle Sealed Cartridge
Crankset parts and sizes	42 Teeth Forged
Gear shift levers	Shimano SL-S500
Rear gear set	20 Teeth 8-speed

Jamis Commuter 3.0 Fork System Data

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

Other Specs of Jamis Commuter 3.0

Component group sets	Co (millimeters)uter Mix
Pedals details	Full Alloy City and Cross
Rear shock absorber	Not Available
Saddle seat	Jamis Comfort
Seat post extension	27.2 (millimeters) Diameter Suspension