Jamis ALLEGRO 4 2010 VS Specialized SIRRUS COMP 2007 specs comparison

Jamis Allegro 4

General Infos

Model	Allegro 4
Manufacturer	Jamis
Year of production	2010
Current price	Check price Here ==>
Color choice	-Gloss Black and Pearl White
Sizes	- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches)
Sizes	- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches)

Wheels And Breaking System

Bike front tire	700 X 28c Vittoria Rondenour
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Tektro RX-1.0 Levers Tektro RX-1.0 Mini V With Modulator Front and Tektro RX-1.0 Mini V Rear Brakes
Hubs for disc brakes	Alex ALX-200
Rims manufacturer	20-hole and 24-hole Alex ALX-200
Spoke nipples type	Not Available
Spoke wheel	14ga. DT Champion

Frame and Body Specs

Frame materials	6061 Triple Butted Aluminum With Hydroform TT & DT
Frame type	TIG-welded
Handlebar construction	Jamis Alloy Flat Bar
Handlebar extender	Optional
Handlebar stem details	NVO F-2 Adjustable
Headset size	1 1/8 (inches) Threadless FSA Integrated IS

Gearing Specifications

Bicycle chain	KMC DX10SC
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	108 (millimeters) Spindle FSA Powerdrive
Crankset parts and sizes	50/34 Teeth FSA Vero Compact With Power Drive
Gear shift levers	Shimano SL-R770 Rapidfire Plus SL
Rear gear set	11 - 25 Teeth 10-speed

Jamis Allegro 4 Fork System Data

Derailleur (Front)	Bottom Pull Shimano R770
Derailleur (Rear)	Shimano 105
Fork material	Unicrown Crown Carbon Composite
Fork type	Jamis

Other Specs of Jamis Allegro 4

Component group sets	Co (millimeters)uter Mix
Pedals details	Alloy Platform
Rear shock absorber	Not Available
Saddle seat	Selle San Marco Ischia
Seat post extension	27.2 (millimeters) Diameter Jamis Carbon Fiber Micro Adjust

Specialized Sirrus Comp

General Infos

Model	Sirrus Comp
Manufacturer	Specialized
Year of production	2007
Current price	Check price Here ==>
Color choice	-Black
Sizes	- Xlarge - xsmall - small - medium - large

Wheels And Breaking System

Bike front tire	700 X 28c Specialized All Condition Pro
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Forged Alloy Linear Pull Levers 6061 Linear Pull Brakes
Hubs for disc brakes	Specialized Alloy
Rims manufacturer	24-hole and 28-hole Jalco GX460
Spoke nipples type	Not Available
Spoke wheel	14ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Specialized A1 Premium Aluminum
Frame type	TIG-welded
Handlebar construction	Body Geometry Event Zertz
Handlebar extender	Optional
Handlebar stem details	Specialized Comp-Set
Headset size	1 1/8 (inches) Integrated Specialized Mindset

Gearing Specifications

Bicycle chain	Shimano CN-HG73
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	113 (millimeters) Spindle Sport Cartridge
Crankset parts and sizes	30/39/50 Teeth Sugino Comp
Gear shift levers	Shimano R440
Rear gear set	12 - 26 Teeth 9-speed

Specialized Sirrus Comp Fork System Data

Derailleur (Front)	Shimano Tiagra
Derailleur (Rear)	Shimano Tiagra
Fork material	Aero Crown Carbon and aluminum Steerer
Fork type	Specialized FACT

Other Specs of Specialized Sirrus Comp

Component group sets	Shimano Tiagra
Pedals details	Alloy Cage With Toe Clips And Straps Composite Body
Rear shock absorber	Not Available
Saddle seat	Body Geometry Milano Comfort Max
Seat post extension	27.2 (millimeters) Diameter Specialized Carbon Fiber