Jamis COMMUTER 2006 VS Specialized SIRRUS A1 PRO 2002 specs comparison

Jamis Commuter

General Infos

Model	Commuter
Manufacturer	Jamis
Year of production	2006
Current price	Check price Here ==>
Color choice	- Gloss Black - Watermelon -Radium Blue
Sizes	- 14.5 (inches) - 16.5 (inches) - 18.5 (inches) - 20.5 (inches) - 22 (inches)
Sizes	- 14.5 (inches) - 16.5 (inches) - 18.5 (inches) - 20.5 (inches) - 22 (inches)

Wheels And Breaking System

Bike front tire	Rear: 700 X 38c Cheng Shin C-1069 Lockjaw Front: 700 X 38c Cheng Shin Lockjaw
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Tektro Tenera Levers Aluminum Linear-pull Brakes
Hubs for disc brakes	Q and R Formula Aluminum
Rims manufacturer	36-hole Aluminum Single Wall
Spoke nipples type	Not Available
Spoke wheel	14ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	6061 T6 Aluminum
Frame type	TIG-welded
Handlebar construction	Hi-rise
Handlebar extender	Not Available
Handlebar stem details	Aluminum Adjustable
Headset size	1 (inches) Threaded Sealed

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC UG-50
Bottom bracket shell width	Not Available
Bottom bracket type	Loose Ball
Crankset parts and sizes	28/38/48 Teeth Aluminum
Gear shift levers	SRAM MRX-204
Rear gear set	13 - 34 Teeth 7-speed

Jamis Commuter Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Shimano Altus
Fork material	Unicrown Crown High-tensile Steel
Fork type	Jamis

Other Specs of Jamis Commuter

Component group sets	Hybrid Mix
Pedals details	Resin Platform
Rear shock absorber	Not Available
Saddle seat	Jamis Comfort
Seat post extension	27.2 (millimeters) Diameter Suspension

Specialized Sirrus A1 Pro

General Infos

Model	Sirrus A1 Pro
Manufacturer	Specialized
Year of production	2002
Current price	Check price Here ==>
Color choice	-Black
Sizes	- 50cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters) - 60cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 23c Specialized Turbo Armadillo Lite
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Aluminum Linear-pull Levers ProMax SX-V85 Linear-pull Brakes
Hubs for disc brakes	Ritchey Comp Road
Rims manufacturer	28-hole Ritchey Pro
Spoke nipples type	Brass Nipples
Spoke wheel	14ga. Bladed Ritchey Stainless Steel

Frame and Body Specs

Frame materials	Specialized A1 Aluminum
Frame type	TIG-welded
Handlebar construction	Specialized Aluminum
Handlebar extender	Optional
Handlebar stem details	Specialized Aluminum
Headset size	1 1/8 (inches) Threadless Ritchey Logic Pro

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG53
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	118 (millimeters) Spindle Shimano BB-UN52
Crankset parts and sizes	30/42/52 Teeth Shimano Tiagra Triple
Gear shift levers	Shimano SL-R440
Rear gear set	12 - 25 Teeth 9-speed

Specialized Sirrus A1 Pro Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 31.8 (millimeters) Shimano FD-R443
Derailleur (Rear)	Shimano Ultegra GS
Fork material	Unicrown Crown Carbon Fiber Composite
Fork type	Specialized C-2

Other Specs of Specialized Sirrus A1 Pro

Component group sets	Hybrid Mix
Pedals details	Shimano PD-M505 SPD
Rear shock absorber	Not Available
Saddle seat	Specialized Body Geometry Comp
Seat post extension	27.2 (millimeters) Diameter U.S.E. Suspension