Rocky Mountain WHISTLER 50 D 2009 VS Specialized SIRRUS A1 PRO 2002 specs comparison

Rocky Mountain Whistler 50 D

General Infos

Model	Whistler 50 D
Manufacturer	Rocky Mountain
Year of production	2009
Current price	Check price Here ==>
Color choice	-Blue
Sizes	- 14 (inches) - 16 (inches) - 18 (inches) - 20 (inches) - 22 (inches)
Sizes	- 14 (inches) - 16 (inches) - 18 (inches) - 20 (inches) - 22 (inches)

Wheels And Breaking System

Bike front tire	700 X 38c Kenda Kwick Trax
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano M486 Hydraulic Levers Shimano M486 Disc Brakes
Hubs for disc brakes	Wheeltech Disc Super Sealed
Rims manufacturer	Alex DC-19
Spoke nipples type	Not Available
Spoke wheel	Stainless

Frame and Body Specs

Frame materials	7005 Triple Butted Hydro-formed Alloy
Frame type	TIG-welded
Handlebar construction	Alloy Riser
Handlebar extender	Optional
Handlebar stem details	Alloy Adjustable
Headset size	1 1/8 (inches) FSA

Gearing Specifications

Bicycle chain	Shimano HG53-9
Bottom bracket shell width	Not Available
Bottom bracket type	TruVativ Power Spline
Crankset parts and sizes	26/36/48 Teeth TruVativ ISOFlow 3.0
Gear shift levers	Shimano Deore RapidFire
Rear gear set	11 - 32 Teeth 9-speed

Rocky Mountain Whistler 50 D Fork System Data

Derailleur (Front)	Shimano Deore
Derailleur (Rear)	Shimano XT
Fork material	Single
Fork type	63 (millimeters) Travel SR Suntour SF9-NEX4610 MLO

Other Specs of Rocky Mountain Whistler 50 D

Component group sets	Shimano Deore
Pedals details	VP 990s
Rear shock absorber	Not Available
Saddle seat	Freedom GreenBelt Women's
Seat post extension	27.2 (millimeters) Diameter Alloy 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