Specialized SIRRUS 2011 VS Boulder Bikes PARIS-ROUBAIX (CROMO) 1998 specs comparison

Specialized Sirrus

General Infos

Model	Sirrus
Manufacturer	Specialized
Year of production	2011
Current price	Check price Here ==>
Color choice	- Red and Sil - Sil and Blk -Blk and Sil
Sizes	- Xsmall - small - medium - large - xlarge
Sizes	- Xsmall - small - medium - large - xlarge

Wheels And Breaking System

Bike front tire	700 X 32c Specialized All Condition Sport
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	EZ Fire Levers Die Cast Alloy Brakes
Hubs for disc brakes	Forged Alloy
Rims manufacturer	32-hole Alex AS-14
Spoke nipples type	Not Available
Spoke wheel	14ga. Stainless

Frame and Body Specs

Frame materials	A1 Premium Aluminum
Frame type	TIG-welded
Handlebar construction	Alloy Small Riser
Handlebar extender	Optional
Handlebar stem details	Alloy
Headset size	1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	KMC Z-7
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	Sealed
Crankset parts and sizes	28/38/48 Teeth Shimano FCM131
Gear shift levers	EZ Fire
Rear gear set	12 - 32 Teeth 7-speed

Specialized Sirrus Fork System Data

Derailleur (Front)	Shimano
Derailleur (Rear)	Shimano Altus
Fork material	Aero Crown Steel
Fork type	Not Available

Other Specs of Specialized Sirrus

Component group sets	Road Mix
Pedals details	Nylon
Rear shock absorber	Not Available
Saddle seat	Specialized BG Riva Road
Seat post extension	27.2 (millimeters) Diameter Alloy Double Bolt

Boulder Bikes Paris-Roubaix (CROMO)

General Infos

Model	Paris-Roubaix (CROMO)
Manufacturer	Boulder Bikes
Year of production	1998
Current price	Check price Here ==>
Color choice	- blue - green - red - silver - white - yellow -Black
Sizes	- 54 cm (centimeters) - 56 cm (centimeters) - 58 cm (centimeters) - 60 cm (centimeters) - custom (centimeters)

Wheels And Breaking System

Bike front tire	700 X 25c Michelin Super Comp HD
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano 105SC Levers Shimano 105SC Dual Pivot Brakes
Hubs for disc brakes	Shimano 105SC
Rims manufacturer	32-hole Mavic Open Pro
Spoke nipples type	Brass Nipples
Spoke wheel	1.8 (millimeters) Double-butted Wheelsmith Stainless Steel

Frame and Body Specs

Frame materials	Double-butted Chromoly
Frame type	TIG-welded
Handlebar construction	TTT Forma 2
Handlebar extender	Not Available
Handlebar stem details	TTT Synthesis
Headset size	1 (inches) Shimano 105SC

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG51
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 105SC
Gear shift levers	Shimano 105SC STI Dual Control
Rear gear set	12 - 25 Teeth 8-speed

Boulder Bikes Paris-Roubaix (CROMO) Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 31.8 (millimeters) Shimano 105SC
Derailleur (Rear)	Shimano 105SC GS
Fork material	Triple-clamp Crown Aluminum and magnesium
Fork type	Rock Shox Ruby

Other Specs of Boulder Bikes Paris-Roubaix (CROMO)

Component group sets	Shimano 105SC Triple
Pedals details	Optional
Rear shock absorber	1.25 (inches) Travel Risse Genesis
Saddle seat	Selle San Marco Strada
Seat post extension	28.6 (millimeters) Diameter American Classic