Specialized SIRRUS 2015 VS Rocky Mountain RC 30 2007 specs comparison

Specialized SIRRUS
General InfosModel | 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 |
Sizes | - XS - S - M - L XL |
Wheels And Breaking System
Bike front tire | 26TPI 700x32c Flak Jacket Protection Wire BeadSpecialized Nimbus |
Bike rear tire | Not Available |
Bike wheel size | 700c |
Brakeset type | Linear Pull With Alloy LeverAlloy V-brake |
Hubs for disc brakes | 32h QRDouble-sealed |
Rims manufacturer | 32h CNC Sidewalls Alloy Double-wall700c |
Spoke nipples type | Not Available |
Spoke wheel | 14g With Brass NippleStainless |
Frame and Body Specs
Frame materials | Aluminum |
Frame type | Fender and rack Eyelets Fully Manipulated Butted Tubing Integrated Lower BearingSpecialized A1 Premium Aluminum |
Handlebar construction | 25.4 (millimeters) 6-degree Backsweep AlloySpecialized Flat |
Handlebar extender | Not Available |
Handlebar stem details | 20-degree Rise 25.4 (millimeters) Clamp 4-bolt Melt-forged AlloyAhead Stem |
Headset size | External Sealed Upper Bearings1-1/8 (inches) FSA Integrated Cartridge Lower |
Gearing Specifications
Bicycle chain | 8-speed Reusable Missing LinkKMC X8 |
Bottom bracket shell width | Not Available |
Bottom bracket type | Cartridge BearingsSquare Taper |
Crankset parts and sizes | 8-speed Triple With ChainguardShimano Altus |
Gear shift levers | 8-speedShimano EZ Fire |
Rear gear set | 11-32 8-speedShimano |
Specialized SIRRUS Fork System Data
Derailleur (Front) | Dual-pull Top SwingShimano FD-M191 |
Derailleur (Rear) | 8-speedShimano Altus |
Fork material | High Tensile Steel |
Fork type | Rack and fender Mounts Straight BladeSteel |
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 RailsBody Geometry Targa Sport |
Seat post extension | 12.5 (millimeters) Offset 2-bolt 27.2 (millimeters) Anti-corrosion Hardware Micro-adjustAlloy |

Rocky Mountain RC 30
General InfosModel | RC 30 |
Manufacturer | Rocky Mountain |
Year of production | 2007 |
Current price | Check price Here ==> |
Color choice | - Deep Red-Brushed Aluminum |
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 ST-221 LeversTektro 930AL Brakes |
Hubs for disc brakes | Alex 200 |
Rims manufacturer | Alex 200 |
Spoke nipples type | Not Available |
Spoke wheel | Stainless Steel |
Frame and Body Specs
Frame materials | 7005 aluminum c |
Frame type | TIG-welded |
Handlebar construction | RMB XC Riser |
Handlebar extender | Not Available |
Handlebar stem details | RMB Cold Forged |
Headset size | FSA Intellaset |
Gearing Specifications
Bicycle chain | Shimano CN-HG50 |
Bottom bracket shell width | Not Available |
Bottom bracket type | Shimano BB-UN26 |
Crankset parts and sizes | 30/42/52 TeethFSA Vero |
Gear shift levers | Shimano ST-221 |
Rear gear set | 10-speed |
Rocky Mountain RC 30 Fork System Data
Derailleur (Front) | Shimano FD-443 |
Derailleur (Rear) | Shimano Sora |
Fork material | Unicrown CrownAlloy |
Fork type | RMB |
Other Specs of Rocky Mountain RC 30
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 |
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