Rocky Mountain RC 70 D 2009 VS Specialized SIRRUS PRO 2007 specs comparison
Rocky Mountain RC 70 D
General Infos| Model | RC 70 D |
| Manufacturer | Rocky Mountain |
| Year of production | 2009 |
| Current price | Check price Here ==> |
| Color choice |
-Titanium |
| 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 M486 Hydraulic Levers Shimano M486 Disc Brakes |
| Hubs for disc brakes | Wheeltech Cartridge Disc |
| Rims manufacturer | Alex Race 28 |
| Spoke nipples type | Not Available |
| Spoke wheel | DT Swiss Aerolite |
Frame and Body Specs
| Frame materials | 7005 Triple Butted Aluminum With Delta Process TT & Carbon Seatstays |
| Frame type | TIG-welded |
| Handlebar construction | Easton EA30 Lo-Riser |
| Handlebar extender | Optional |
| Handlebar stem details | Easton EA30 31.8 |
| Headset size | 1 1/8 (inches) FSA |
Gearing Specifications
| Bicycle chain | Shimano HG53-9 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | TH BB-8420 |
| 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) | Shimano R440 |
| Derailleur (Rear) | Shimano XT |
| Fork material | Aero Crown Carbon and Alloy Steerer |
| Fork type | Not Available |
Other Specs of Rocky Mountain RC 70 D
| Component group sets | Shimano Mix |
| Pedals details | VP 990s |
| Rear shock absorber | Not Available |
| Saddle seat | Selle San Marco Ponza |
| Seat post extension | 31.6 (millimeters) Diameter Carbon |
Specialized Sirrus Pro
General Infos| Model | Sirrus Pro |
| Manufacturer | Specialized |
| Year of production | 2007 |
| Current price | Check price Here ==> |
| Color choice |
-Silver |
| Sizes |
- Xlarge - xsmall - small - medium - large |
Wheels And Breaking System
| Bike front tire | 700 X 28c Specialized All Condition Pro |
| Bike rear tire | Not Available |
| Bike wheel size | 700c Wheels |
| Brakeset type | Avid FR5 Levers Avid Juicy 7 Front and Avid Single-Digit 7 Rear Brakes |
| Hubs for disc brakes | Specialized Alloy |
| Rims manufacturer | 24-hole and 28-hole Jalco GX460 |
| 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 | Body Geometry Event Zertz |
| Handlebar extender | Optional |
| Handlebar stem details | Specialized Comp-Set |
| Headset size | 1 1/8 (inches) Integrated Specialized Mindset |
Gearing Specifications
| Bicycle chain | Shimano 105 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | FSA MegaEXO |
| Crankset parts and sizes | 30/39/50 Teeth FSA Gossamer |
| Gear shift levers | Shimano R770 |
| Rear gear set | 12 - 27 Teeth 1-speed |
Specialized Sirrus Pro Fork System Data
| Derailleur (Front) | Shimano Ultegra |
| Derailleur (Rear) | Shimano 105 |
| Fork material | Aero Crown Carbon and aluminum Steerer |
| Fork type | Specialized FACT |
Other Specs of Specialized Sirrus Pro
| Component group sets | Co (millimeters)uter Mix |
| Pedals details | Crank Brothers Smarty |
| Rear shock absorber | Not Available |
| Saddle seat | Body Geometry Avatar |
| Seat post extension | 27.2 (millimeters) Diameter Specialized Pavé II |
Useful links and guides ....
- To know more about this exacte bike, Rocky Mountain provided us with the latest version of its RC 70 D bike manual
- Find All parts, tires and accessories of Rocky Mountain RC 70 D Commuter here
- Get your Specialized Sirrus Pro manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Specialized Sirrus Pro Commuter here