Rocky Mountain RC 70 D 2010 VS Specialized SIRRUS 1997 specs comparison

Rocky Mountain RC 70 D

General Infos

Model	RC 70 D
Manufacturer	Rocky Mountain
Year of production	2010
Current price	Check price Here ==>
Color choice	-Silver
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 DC-19
Spoke nipples type	Not Available
Spoke wheel	Aero Stainless

Frame and Body Specs

Frame materials	RMB Form 7005 Alloy Super Triple Butted With Delta Moulding & Carbon SS
Frame type	TIG-welded and bonded
Handlebar construction	620 (millimeters) X 20 (millimeters) FSA XC 300
Handlebar extender	Optional
Handlebar stem details	FSA OS-190
Headset size	FSA

Gearing Specifications

Bicycle chain	Shimano HG53
Bottom bracket shell width	Not Available
Bottom bracket type	Cartridge TH 8420 Powerdrive
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 70 D Fork System Data

Derailleur (Front)	Braze-on With 34.9 Clamp Adaptor Shimano FD-R440
Derailleur (Rear)	Shimano Ultegra
Fork material	Carbon and Alloy Steerer
Fork type	Not Available

Other Specs of Rocky Mountain RC 70 D

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

Specialized Sirrus

General Infos

Model	Sirrus
Manufacturer	Specialized
Year of production	1997
Current price	Check price Here ==>
Color choice	-Red
Sizes	- 46 cm (centimeters) - 50 cm (centimeters) - 52 cm (centimeters) - 54 cm (centimeters) - 56 cm (centimeters) - 58 cm (centimeters) - 60 cm (centimeters) - 62 cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 23c Specialized Transition
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano RSX Levers Shimano RSX Dual Pivot Brakes
Hubs for disc brakes	Shimano RSX
Rims manufacturer	32-hole Araya RT-520
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Double-butted Chromoly
Frame type	TIG-welded
Handlebar construction	SR
Handlebar extender	Not Available
Handlebar stem details	SBC Chromoly
Headset size	1 (inches)

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	Shimano
Crankset parts and sizes	26/36/46 Teeth Shimano RSX
Gear shift levers	Shimano RSX STI Dual Control
Rear gear set	11 - 24 Teeth 7-speed

Specialized Sirrus Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 28.6 (millimeters) Shimano RSX Top-swing
Derailleur (Rear)	Shimano RSX GS
Fork material	Unicrown Crown Chromoly
Fork type	SBC

Other Specs of Specialized Sirrus

Component group sets	Shimano RSX
Pedals details	Aluminum Cage With Clips & Straps
Rear shock absorber	Not Available
Saddle seat	Specialized Prolong Evolution Carbotech
Seat post extension	27.2 (millimeters) Diameter Aluminum Micro-adjust