Specialized SIRRUS 2007 VS Rocky Mountain RC 30 2012 specs comparison
Specialized Sirrus
General Infos| Model | Sirrus |
| Manufacturer | Specialized |
| Year of production | 2007 |
| Current price | Check price Here ==> |
| Color choice |
- Blue - Red and Silver -Gray |
| Sizes |
- Xlarge - xsmall - small - medium - large |
| Sizes |
- Xlarge - xsmall - small - medium - large |
Wheels And Breaking System
| Bike front tire | 700 X 28c Specialized All Condition |
| Bike rear tire | Not Available |
| Bike wheel size | 700c Wheels |
| Brakeset type | Shimano EF-50 Levers 6061 Linear Pull Brakes |
| Hubs for disc brakes | Specialized Alloy |
| Rims manufacturer | 32-hole Rear: Alex R500 Front: Alex R-500 |
| Spoke nipples type | Not Available |
| Spoke wheel | 14ga. Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | Specialized A1 Premium Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Specialized Event |
| Handlebar extender | Optional |
| Handlebar stem details | Specialized 3D |
| Headset size | 1 1/8 (inches) Integrated Specialized Mindset |
Gearing Specifications
| Bicycle chain | KMC Z72 |
| Bottom bracket shell width | 68 (millimeters) |
| Bottom bracket type | 113 (millimeters) Spindle Sport Cartridge |
| Crankset parts and sizes | 28/38/48 Teeth Sugino XD |
| Gear shift levers | Shimano EF-50 |
| Rear gear set | 12 - 25 Teeth 8-speed |
Specialized Sirrus Fork System Data
| Derailleur (Front) | 31.8 (millimeters) Clamp Shimano T301 |
| Derailleur (Rear) | Shimano Sora |
| Fork material | Unicrown Crown Aluminum and chromoly Steerer |
| Fork type | Specialized Comp |
Other Specs of Specialized Sirrus
| Component group sets | Co (millimeters)uter Mix |
| Pedals details | Alloy Cage With Toe Clips And Straps Composite Body |
| Rear shock absorber | Not Available |
| Saddle seat | Body Geometry Milano Comfort Max |
| Seat post extension | 27.2 (millimeters) Diameter Alloy Suspension |
Rocky Mountain RC 30
General Infos| Model | RC 30 |
| Manufacturer | Rocky Mountain |
| Year of production | 2012 |
| Current price | Check price Here ==> |
| Color choice |
-blue |
| Sizes |
- 40cm (centimeters) - 45.5cm (centimeters) - 50cm (centimeters) - 55.5cm (centimeters) - 58cm (centimeters) |
Wheels And Breaking System
| Bike front tire | Kenda Kwest 700x32 |
| Bike rear tire | Not Available |
| Bike wheel size | Not Available |
| Brakeset type | Promax TX-122 |
| Hubs for disc brakes | Shimano RM40 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 Six20 |
| Handlebar extender | Not Available |
| Handlebar stem details | RMB XC7 |
| 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 | 9spd Rapidfire Shimano Acera |
| Rear gear set | Not Available |
Rocky Mountain RC 30 Fork System Data
| Derailleur (Front) | Shimano Acera |
| Derailleur (Rear) | Shimano Alivio 9spd |
| Fork material | Not Available |
| Fork type | RMB Cromo Road |
Other Specs of Rocky Mountain RC 30
| 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 |
Useful links and guides ....
- To know more about this exacte bike, Specialized provided us with the latest version of its Sirrus bike manual
- Find All parts, tires and accessories of Specialized Sirrus Commuter here
- Get your Rocky Mountain RC 30 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Rocky Mountain RC 30 Commuter here