Specialized SIRRUS A1 2002 VS Jamis BOCA 1993 specs comparison

Specialized Sirrus A1

General Infos

Model	Sirrus A1
Manufacturer	Specialized
Year of production	2002
Current price	🛒 View Price →
Color choice	-Silver
Sizes	- 50cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters) - 60cm (centimeters)
Sizes	- 50cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters) - 60cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 28c Specialized Nimbus EX
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano ST-EF33 EZ Fire STI Levers ProMax SX-V85 Linear-pull Brakes
Hubs for disc brakes	Q and R Aluminum
Rims manufacturer	32-hole Alex Aluminum
Spoke nipples type	Brass Nipples
Spoke wheel	14ga. Straight Gauge 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

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG50
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	113 (millimeters) Spindle Tange Seiki Sport
Crankset parts and sizes	28/38/48 Teeth Specialized Sirrus
Gear shift levers	Shimano ST-EF33 EZ Fire STI
Rear gear set	11 - 30 Teeth 8-speed

Specialized Sirrus A1 Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 31.8 (millimeters) Shimano FC-T301
Derailleur (Rear)	Shimano Acera
Fork material	Unicrown Crown Chromoly
Fork type	Specialized

Other Specs of Specialized Sirrus A1

Component group sets	Hybrid Mix
Pedals details	Specialized Aluminum Platform
Rear shock absorber	Not Available
Saddle seat	Specialized Body Geometry Sport
Seat post extension	27.2 (millimeters) Diameter Kalloy SP-245 Suspension

Jamis Boca

General Infos

Model	Boca
Manufacturer	Jamis
Year of production	1993
Current price	🛒 View Price →
Color choice	-Not found
Sizes	- 17.5 - 19.5 - 21.5 - 23 - 17.5WM

Wheels And Breaking System

Bike front tire	700 X 38c Cheng Shin
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Levers Shimano Altus C20 Brakes
Hubs for disc brakes	Shimano Exage
Rims manufacturer	36-hole Weinmann 2719
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	MTB Chrome-moly Main Tubes
Frame type	TIG-welded Steel
Handlebar construction	Jamis Bulge Bar
Handlebar extender	Not Available
Handlebar stem details	Drilled Stop Jamis Chromoly
Headset size	Not Available

Gearing Specifications

Bicycle chain	Shimano CN-HG50
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	28/38/48 Teeth Shimano Altus C20
Gear shift levers	Shimano Altus C10 Rapidfire Plus
Rear gear set	12 - 28 Teeth 7-speed

Jamis Boca Fork System Data

Derailleur (Front)	Shimano Altus C20
Derailleur (Rear)	Shimano Altus C10
Fork material	Not Available
Fork type	Chrome-moly Unicrown

Other Specs of Jamis Boca

Component group sets	Shimano Altus C20
Pedals details	Wellgo Low Profile High Impact Resin
Rear shock absorber	Not Available
Saddle seat	Jamis and Viscount ATB Anatomical
Seat post extension	300 (millimeters) With Quick Release