Rocky Mountain RC 50 DISC 2007 VS Specialized SIRRUS LIMITED 2012 specs comparison

Rocky Mountain RC 50 Disc
General InfosModel | RC 50 Disc |
Manufacturer | Rocky Mountain |
Year of production | 2007 |
Current price | Check price Here ==> |
Color choice |
-Black |
Sizes |
- 34cm (centimeters) - 42cm (centimeters) - 46cm (centimeters) - 50cm (centimeters) - 54cm (centimeters) - 58cm (centimeters) |
Sizes |
- 34cm (centimeters) - 42cm (centimeters) - 46cm (centimeters) - 50cm (centimeters) - 54cm (centimeters) - 58cm (centimeters) |
Wheels And Breaking System
Bike front tire | 700 X 28c Kenda Koncept |
Bike rear tire | Not Available |
Bike wheel size | 700c Wheels |
Brakeset type | Shimano M511 Levers Hayes MX-4 Brakes |
Hubs for disc brakes | Formula XSD29 Disc |
Rims manufacturer | Formula XSD29 Disc |
Spoke nipples type | Not Available |
Spoke wheel | Stainless Steel |
Frame and Body Specs
Frame materials | 7005 aluminum c |
Frame type | TIG-welded |
Handlebar construction | Easton EA30 |
Handlebar extender | Not Available |
Handlebar stem details | Easton EA30 |
Headset size | FSA Intellaset |
Gearing Specifications
Bicycle chain | Shimano CN-HG53 |
Bottom bracket shell width | Not Available |
Bottom bracket type | FSA ISIS |
Crankset parts and sizes | 30/42/52 Teeth FSA Vero |
Gear shift levers | Shimano R440 |
Rear gear set | 10-speed |
Rocky Mountain RC 50 Disc Fork System Data
Derailleur (Front) | Shimano FD-443 |
Derailleur (Rear) | Shimano 105 |
Fork material | Unicrown Crown Carbon |
Fork type | RMB |
Other Specs of Rocky Mountain RC 50 Disc
Component group sets | Shimano Mix |
Pedals details | Wellgo LU-C8S-P |
Rear shock absorber | Not Available |
Saddle seat | Selle Italia XO |
Seat post extension | RMB |

Specialized Sirrus Limited
General InfosModel | Sirrus Limited |
Manufacturer | Specialized |
Year of production | 2012 |
Current price | Check price Here ==> |
Color choice |
-Carbon and Slate |
Sizes |
- 49cm (centimeters) - 52cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters) - 61cm (centimeters) |
Wheels And Breaking System
Bike front tire | AllCondition Armadillo 700x23c |
Bike rear tire | Not Available |
Bike wheel size | Not Available |
Brakeset type | Tektro Dual Pivot |
Hubs for disc brakes | Unavailable Front Hub Unavailable Rear Hub |
Rims manufacturer | Sirrus 460V |
Spoke nipples type | Not Available |
Spoke wheel | Not Available |
Frame and Body Specs
Frame materials | Specialized FACT 8r Carbon |
Frame type | Not Available |
Handlebar construction | Specialized DB Flat Bar 31.8 (millimeters) |
Handlebar extender | Not Available |
Handlebar stem details | Specialized EliteSet |
Headset size | Integrated 1-1/8 (inches) Threadless |
Gearing Specifications
Bicycle chain | KMC X-10 Ti |
Bottom bracket shell width | Not Available |
Bottom bracket type | Cartridge External Bearing |
Crankset parts and sizes | FSA Omega Compact |
Gear shift levers | SRAM SL Trigger 10spd |
Rear gear set | Not Available |
Specialized Sirrus Limited Fork System Data
Derailleur (Front) | SRAM Apex |
Derailleur (Rear) | SRAM Apex |
Fork material | Not Available |
Fork type | FACT Carbon Full With Zertz |
Other Specs of Specialized Sirrus Limited
Component group sets | Not Available |
Pedals details | Toe Clip Compat Sirrus Pedal |
Rear shock absorber | Unavailable Rear Shock |
Saddle seat | Targa Comp Cro-mo Rails 143 |
Seat post extension | Spclzd Elite Carbon and alloy 27.2 |
Useful links and guides ....
- To know more about this exacte bike, Rocky Mountain provided us with the latest version of its RC 50 Disc bike manual
- Find All parts, tires and accessories of Rocky Mountain RC 50 Disc Commuter here
- Get your Specialized Sirrus Limited manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Specialized Sirrus Limited Commuter here