Rocky Mountain RC 30 2012 VS Nishiki OPTIMA SC 1999 specs comparison
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) |
| 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 |
Nishiki Optima SC
General Infos| Model | Optima SC |
| Manufacturer | Nishiki |
| Year of production | 1999 |
| Current price | Check price Here ==> |
| Color choice |
-Champagne Vapor (White) |
| Sizes |
- 14.5 (inches) - 16.5 (inches) - 18 (inches) - 20 (inches) - 22 (inches) - 24 (inches) - womens 16 (inches) - womens 19 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 1.95 (inches) Kenda K-847 |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Tektro 379A Levers Tektro 824A Linear-pull Brakes |
| Hubs for disc brakes | Shimano RM40 |
| Rims manufacturer | 36-hole Weinmann 519 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Chung Nan Stainless Steel |
Frame and Body Specs
| Frame materials | Chromoly and hi-tensile Steel |
| Frame type | TIG-welded |
| Handlebar construction | Aluminum |
| Handlebar extender | Optional |
| Handlebar stem details | Adjustable Aluminum |
| Headset size | 1 1/8 (inches) Victor VP-H67 |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) KMC Z-51 |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | 117.5 (millimeters) Spindle Victor VPB-33 |
| Crankset parts and sizes | 24/34/42 Teeth Shimano AceraX |
| Gear shift levers | Shimano Revo TY-40 |
| Rear gear set | 11 - 28 Teeth 7-speed |
Nishiki Optima SC Fork System Data
| Derailleur (Front) | Bottom-pull and clamp-on 28.6 (millimeters) Shimano AceraX Top-swing |
| Derailleur (Rear) | Shimano AceraX |
| Fork material | Unicrown Crown Hi-tensile Steel |
| Fork type | Nishiki |
Other Specs of Nishiki Optima SC
| Component group sets | Hybrid Mix |
| Pedals details | Victor VP-806 |
| Rear shock absorber | Not Available |
| Saddle seat | Selle Stratos Hyper Expert Duo-Compound Lycra Comfort |
| Seat post extension | 26.0 (millimeters) Diameter Suspension Aluminum |
Useful links and guides ....
- To know more about this exacte bike, Rocky Mountain provided us with the latest version of its RC 30 bike manual
- Find All parts, tires and accessories of Rocky Mountain RC 30 Commuter here
- Get your Nishiki Optima SC manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Nishiki Optima SC Commuter here