Rocky Mountain RC 50 2012 VS Specialized SIRRUS 2015 specs comparison

Rocky Mountain RC 50

General Infos

Model	RC 50
Manufacturer	Rocky Mountain
Year of production	2012
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	Kenda Kwest 700 X 28c
Bike rear tire	Not Available
Bike wheel size	Not Available
Brakeset type	Promax TX-122
Hubs for disc brakes	Shimano RM30 Shimano RM30
Rims manufacturer	Unavailable Wheelset
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	RMB 6061 Alloy
Frame type	Not Available
Handlebar construction	RMB Zero5
Handlebar extender	Not Available
Handlebar stem details	RMB Road Adjustable
Headset size	Cane Creek Five Series

Gearing Specifications

Bicycle chain	Shimano HG-53
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano UN-26
Crankset parts and sizes	Shimano M391 48/38/28t
Gear shift levers	Shimano Alivio Rapidfire 9spd
Rear gear set	Not Available

Rocky Mountain RC 50 Fork System Data

Derailleur (Front)	Shimano Acera
Derailleur (Rear)	Shimano Deore 9 Spd
Fork material	Not Available
Fork type	RMB Carbon Road

Other Specs of Rocky Mountain RC 50

Component group sets	Not Available
Pedals details	RMB City Steel Cage
Rear shock absorber	Unavailable Rear Shock
Saddle seat	RMB Urban Light
Seat post extension	RMB L2B

Specialized SIRRUS

General Infos

Model	SIRRUS
Manufacturer	Specialized
Year of production	2015
Current price	Check price Here ==>
Color choice	- Satin Hyper and Black and Gunmetal -Satin Black and Charcoal and Cyan
Sizes	- XS - S - M - L XL

Wheels And Breaking System

Bike front tire	26TPI 700x32c Flak Jacket Protection Wire Bead Specialized Nimbus
Bike rear tire	Not Available
Bike wheel size	700c
Brakeset type	Linear Pull With Alloy Lever Alloy V-brake
Hubs for disc brakes	32h QR Double-sealed
Rims manufacturer	32h CNC Sidewalls Alloy Double-wall 700c
Spoke nipples type	Not Available
Spoke wheel	14g With Brass Nipple Stainless

Frame and Body Specs

Frame materials	Aluminum
Frame type	Fender and rack Eyelets Fully Manipulated Butted Tubing Integrated Lower Bearing Specialized A1 Premium Aluminum
Handlebar construction	25.4 (millimeters) 6-degree Backsweep Alloy Specialized Flat
Handlebar extender	Not Available
Handlebar stem details	20-degree Rise 25.4 (millimeters) Clamp 4-bolt Melt-forged Alloy Ahead Stem
Headset size	External Sealed Upper Bearings 1-1/8 (inches) FSA Integrated Cartridge Lower

Gearing Specifications

Bicycle chain	8-speed Reusable Missing Link KMC X8
Bottom bracket shell width	Not Available
Bottom bracket type	Cartridge Bearings Square Taper
Crankset parts and sizes	8-speed Triple With Chainguard Shimano Altus
Gear shift levers	8-speed Shimano EZ Fire
Rear gear set	11-32 8-speed Shimano

Specialized SIRRUS Fork System Data

Derailleur (Front)	Dual-pull Top Swing Shimano FD-M191
Derailleur (Rear)	8-speed Shimano Altus
Fork material	High Tensile Steel
Fork type	Rack and fender Mounts Straight Blade Steel

Other Specs of Specialized SIRRUS

Component group sets	Co (millimeters)uter Mix
Pedals details	Nylon Flat
Rear shock absorber	Not Available
Saddle seat	155 (millimeters) Steel Rails Body Geometry Targa Sport
Seat post extension	12.5 (millimeters) Offset 2-bolt 27.2 (millimeters) Anti-corrosion Hardware Micro-adjust Alloy