Specialized SIRRUS A1 PRO 2002 VS Marin OLEMA STEP-THRU 2011 specs comparison

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)
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

Marin Olema Step-Thru

General Infos

Model	Olema Step-Thru
Manufacturer	Marin
Year of production	2011
Current price	Check price Here ==>
Color choice	-White
Sizes	- 15W - 17W

Wheels And Breaking System

Bike front tire	700 X 35c Vittoria Adventure
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano Integrated Levers Forged Alloy Linear Pull Brakes
Hubs for disc brakes	Rear: Shimano RM30 Front: Alloy Double Sealed
Rims manufacturer	36-hole Alex TA-20
Spoke nipples type	Not Available
Spoke wheel	14ga. Stainless

Frame and Body Specs

Frame materials	4130 Cromo Steel
Frame type	Steel
Handlebar construction	Double Butted 6061 Alloy
Handlebar extender	Optional
Handlebar stem details	Alloy Threadless
Headset size	1 1/8 (inches) FSA

Gearing Specifications

Bicycle chain	HG40
Bottom bracket shell width	Not Available
Bottom bracket type	Sealed Cartridge
Crankset parts and sizes	48/38/28t Teeth Suntour NCX-410
Gear shift levers	Shimano EF-51 EZ Fire
Rear gear set	11 - 32 Teeth 8-speed

Marin Olema Step-Thru Fork System Data

Derailleur (Front)	Shimano
Derailleur (Rear)	Shimano Acera
Fork material	Steel
Fork type	Cromoly Rigid

Other Specs of Marin Olema Step-Thru

Component group sets	Hybrid Mix
Pedals details	Composite
Rear shock absorber	Not Available
Saddle seat	WTB Comfort V
Seat post extension	27.2 (millimeters) Diameter Suspension Post