Jamis COMMUTER 4 2010 VS Rocky Mountain RC 70 D 2009 specs comparison
Jamis Commuter 4
General Infos| Model | Commuter 4 |
| Manufacturer | Jamis |
| Year of production | 2010 |
| Current price | Check price Here ==> |
| Color choice |
- Pearl White -Benzegreen and Stainless |
| Sizes |
- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches) - womens 14 (inches) - womens 18 (inches) |
| Sizes |
- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches) - womens 14 (inches) - womens 18 (inches) |
Wheels And Breaking System
| Bike front tire | 700 X 32c Vittoria Adventure Touring |
| Bike rear tire | Not Available |
| Bike wheel size | 700c Wheels |
| Brakeset type | Tektro Tenera Levers Shimano BR-M416 Mechanical Disc Brakes |
| Hubs for disc brakes | Rear: Shimano Alfine Inter-8 Centerlock Disc Front: Shimano Alfine Dynamo Centerlock Disc |
| Rims manufacturer | 36-hole Alex DC25 Disc Rims |
| Spoke nipples type | Not Available |
| Spoke wheel | 14ga. Stainless Steel |
Frame and Body Specs
| Frame materials | 6061 Triple Gauge Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Jamis ARC |
| Handlebar extender | Optional |
| Handlebar stem details | NVO TM4 Adjustable |
| Headset size | 1 1/8 (inches) Threadless VP Slimstack |
Gearing Specifications
| Bicycle chain | KMC Z9000 |
| Bottom bracket shell width | 68 (millimeters) |
| Bottom bracket type | 110.5 (millimeters) Spindle Sealed Cartridge |
| Crankset parts and sizes | 48/34t Teeth FSA Vero Compact |
| Gear shift levers | Shimano SL-S500 |
| Rear gear set | 18 Teeth 8-speed Internal |
Jamis Commuter 4 Fork System Data
| Derailleur (Front) | Bottom-pull and clamp-on Shimano R440 |
| Derailleur (Rear) | Shimano CT-S500 Tensioner |
| Fork material | Unicrown With Tappered Legs Crown Aluminum |
| Fork type | Jamis City and Cross |
Other Specs of Jamis Commuter 4
| Component group sets | Co (millimeters)uter Mix |
| Pedals details | City and Cross Style Alloy |
| Rear shock absorber | Not Available |
| Saddle seat | Jamis Metro Sport |
| Seat post extension | 27.2 (millimeters) Diameter Jamis Alloy Micro-adjust |
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) |
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 |
Useful links and guides ....
- To know more about this exacte bike, Jamis provided us with the latest version of its Commuter 4 bike manual
- Find All parts, tires and accessories of Jamis Commuter 4 Commuter here
- Get your Rocky Mountain RC 70 D manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Rocky Mountain RC 70 D Commuter here