Rocky Mountain RC 50 D 2010 VS Specialized SIRRUS LTD 2009 specs comparison

Rocky Mountain RC 50 D

General Infos

Model	RC 50 D
Manufacturer	Rocky Mountain
Year of production	2010
Current price	Check price Here ==>
Color choice	-Red
Sizes	- 40cm (centimeters) - 45.5cm (centimeters) - 50cm (centimeters) - 55.5cm (centimeters) - 58cm (centimeters)
Sizes	- 40cm (centimeters) - 45.5cm (centimeters) - 50cm (centimeters) - 55.5cm (centimeters) - 58cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 28c Kenda Kwick Roller Sport
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano BR-M486 Levers Shimano BR-M486 Hydraulic Disc Brakes
Hubs for disc brakes	Wheeltech Disc Super Sealed With Alloy QR
Rims manufacturer	Alex TD-24
Spoke nipples type	Not Available
Spoke wheel	Stainless

Frame and Body Specs

Frame materials	RMB Form 7005 Alloy Super Triple Butted With Delta Moulding
Frame type	TIG-welded and bonded
Handlebar construction	RMB 600 (millimeters) X 25 (millimeters)
Handlebar extender	Optional
Handlebar stem details	RMB 7-degree Flip and flop
Headset size	FSA

Gearing Specifications

Bicycle chain	Shimano HG53
Bottom bracket shell width	Not Available
Bottom bracket type	Cartridge TH 7420
Crankset parts and sizes	34/50 Teeth FSA Vero
Gear shift levers	Shimano R440
Rear gear set	12 - 26 Teeth 9-speed

Rocky Mountain RC 50 D Fork System Data

Derailleur (Front)	Braze-on With 34.9 Clamp Adaptor Shimano FD-R440
Derailleur (Rear)	Shimano LX
Fork material	Unicrown Crown Alloy
Fork type	Not Available

Other Specs of Rocky Mountain RC 50 D

Component group sets	Flat Bar Road Mix
Pedals details	VP 990S Steel Cage
Rear shock absorber	Not Available
Saddle seat	Selle Italia XO
Seat post extension	31.6 (millimeters) Diameter RMB

Specialized Sirrus LTD

General Infos

Model	Sirrus LTD
Manufacturer	Specialized
Year of production	2009
Current price	Check price Here ==>
Color choice	-Gloss Carbon Silver
Sizes	- 49cm (centimeters) - 52cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters) - 61cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 28c Specialized All Condition Armadillo Elite
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Tektro Eclipse Carbon Levers Forged Alloy Linear Pull Brakes
Hubs for disc brakes	Rear: Roval Roubaix SL CNC Alloy Front: Roval Roubaix SL Carbon and alloy
Rims manufacturer	24-hole and 30-hole Roval Roubaix SL
Spoke nipples type	Not Available
Spoke wheel	Butted DT Swiss Aerolite

Frame and Body Specs

Frame materials	Specialized FACT 9m Carbon Az1 With Zertz Inserts
Frame type	Bonded and monocoque
Handlebar construction	Specialized Carbon Wrap Flat Bar
Handlebar extender	Optional
Handlebar stem details	Specialized Pro-Set
Headset size	1 1/8 (inches) Specialized Mindset Plus

Gearing Specifications

Bicycle chain	SRAM 1090R
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	FSA Mega EXO
Crankset parts and sizes	34/50 Teeth FSA SL-K Carbon MegaExo
Gear shift levers	SRAM Double Tap 10spd Flat-bar
Rear gear set	11 - 28 Teeth 10-speed

Specialized Sirrus LTD Fork System Data

Derailleur (Front)	SRAM Red
Derailleur (Rear)	SRAM Red
Fork material	Aero Crown Carbon and zertz
Fork type	Specialized FACT

Other Specs of Specialized Sirrus LTD

Component group sets	SRAM Mix
Pedals details	Alloy With Toe Clips And Strap
Rear shock absorber	Not Available
Saddle seat	Specialized BG Toup+¬ Gel
Seat post extension	27.2 (millimeters) Diameter S-Works SL