Rocky Mountain RC 50 2012 VS GT ZUM 4.0 2005 specs comparison

Rocky Mountain RC 50
General InfosModel | RC 50 |
Manufacturer | Rocky Mountain |
Year of production | 2012 |
Current price | Check price Here ==> |
Color choice | -red |
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 700 X 28c |
Bike rear tire | Not Available |
Bike wheel size | Not Available |
Brakeset type | Promax TX-122 |
Hubs for disc brakes | Shimano RM30 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 Zero5 |
Handlebar extender | Not Available |
Handlebar stem details | RMB Road Adjustable |
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 | Shimano Alivio Rapidfire 9spd |
Rear gear set | Not Available |
Rocky Mountain RC 50 Fork System Data
Derailleur (Front) | Shimano Acera |
Derailleur (Rear) | Shimano Deore 9 Spd |
Fork material | Not Available |
Fork type | RMB Carbon Road |
Other Specs of Rocky Mountain RC 50
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 |

GT ZuM 4.0
General InfosModel | ZuM 4.0 |
Manufacturer | GT |
Year of production | 2005 |
Current price | Check price Here ==> |
Color choice | -Red |
Sizes | - Xsmall - small - medium - large - xlarge |
Wheels And Breaking System
Bike front tire | 26 X 1.25 (inches) Tioga City Slicker |
Bike rear tire | Not Available |
Bike wheel size | 26 (inches) Wheels |
Brakeset type | Shimano ST-EF29 EZ Fire STI LeversTektro Linear-pull Brakes |
Hubs for disc brakes | Shimano Alivio |
Rims manufacturer | Alex DA-22 |
Spoke nipples type | Not Available |
Spoke wheel | AeroStainless Steel |
Frame and Body Specs
Frame materials | 6061 T6 Aluminum |
Frame type | TIG-welded |
Handlebar construction | Aluminum |
Handlebar extender | Optional |
Handlebar stem details | GT ATB |
Headset size | 1 1/8 (inches) Integrated FSA |
Gearing Specifications
Bicycle chain | 1/2 X 3/32 (inches) |
Bottom bracket shell width | Not Available |
Bottom bracket type | Cartridge |
Crankset parts and sizes | 22/32/42 TeethSuntour XCC-252 |
Gear shift levers | Shimano ST-EF29 EZ Fire STI |
Rear gear set | 11 - 32 Teeth8-speed |
GT ZuM 4.0 Fork System Data
Derailleur (Front) | Suntour XC-202 |
Derailleur (Rear) | Shimano Acera |
Fork material | Single CrownAluminum and magnesium |
Fork type | 50 (millimeters) TravelSR Suntour NRX-6000 |
Other Specs of GT ZuM 4.0
Component group sets | Co (millimeters)uter Mix |
Pedals details | Nylon |
Rear shock absorber | Not Available |
Saddle seat | GT |
Seat post extension | Aluminum Micro-adjust |
Useful links and guides ....
- To know more about this exacte bike, Rocky Mountain provided us with the latest version of its RC 50 bike manual
- Find All parts, tires and accessories of Rocky Mountain RC 50 Commuter here
- Get your GT ZuM 4.0 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for GT ZuM 4.0 Commuter here