Specialized SIRRUS A1 PRO 2002 VS Rocky Mountain WHISTLER 50 2005 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

Rocky Mountain Whistler 50

General Infos

Model	Whistler 50
Manufacturer	Rocky Mountain
Year of production	2005
Current price	Check price Here ==>
Color choice	-Silver
Sizes	- 16 (inches) - 17.5 (inches) - 18.5 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches)

Wheels And Breaking System

Bike front tire	700 X 35c Nokian Ultra Tour
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano Deore Levers Shimano Deore Brakes
Hubs for disc brakes	Shimano Alivio
Rims manufacturer	32-hole Rear: Alex DH-19 Front: Alex AL-DH19
Spoke nipples type	Not Available
Spoke wheel	DT Swiss Champion Stainless Steel

Frame and Body Specs

Frame materials	RMB 7005 Aluminum
Frame type	TIG-welded
Handlebar construction	RMB Trekking
Handlebar extender	Optional
Handlebar stem details	Aluminum Adjustable
Headset size	1 1/8 (inches) Integrated FSA

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG53
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano BB-UN25
Crankset parts and sizes	Shimano FC-M440
Gear shift levers	Shimano Deore
Rear gear set	9-speed

Rocky Mountain Whistler 50 Fork System Data

Derailleur (Front)	Shimano Alivio
Derailleur (Rear)	Shimano Alivio
Fork material	Single Crown Aluminum
Fork type	50 (millimeters) Travel Rock Shox Metro

Other Specs of Rocky Mountain Whistler 50

Component group sets	Mountain Mix
Pedals details	Wellgo Sport Flats
Rear shock absorber	Not Available
Saddle seat	Velo Comfort
Seat post extension	RMB Suspension