GT ZUM 4.0 2006 VS Rocky Mountain RC 30 V 2009 specs comparison
GT ZuM 4.0
General Infos| Model | ZuM 4.0 |
| Manufacturer | GT |
| Year of production | 2006 |
| Current price | Check price Here ==> |
| Color choice |
-Light Silver |
| Sizes |
- Xsmall - small - medium - large - xlarge |
| 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 | 110 (millimeters) Arms 70 (millimeters) DIN Pads Brakes Shimano ST-EF29 Levers Tektro Linear Pull |
| Hubs for disc brakes | Rear: Alloy QR Casette Hub Front: Alloy QR Hub |
| Rims manufacturer | Double Wall Alloy Rims With CNC Type Sidewall |
| Spoke nipples type | Brass CP |
| Spoke wheel | 14ga. Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | GT Triple Triangle 6061 Custom Tube-set |
| Frame type | TIG-welded |
| Handlebar construction | Butted 6061 Heat Treated Aluminum GT Riser Bar |
| Handlebar extender | Not Available |
| Handlebar stem details | Threadless 25 Degree Rise With 4 Bolt Alum Face Plate GT ATB |
| Headset size | FSA Integrated |
Gearing Specifications
| Bicycle chain | Shimano |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Cartridge Sealed |
| Crankset parts and sizes | 22/32/44 Teeth Suntour XCT-252 |
| Gear shift levers | Shimano ST-EF29 |
| Rear gear set | 11 - 32 Teeth 8-speed |
GT ZuM 4.0 Fork System Data
| Derailleur (Front) | Shimano Acera |
| Derailleur (Rear) | Shimano Acera |
| Fork material | Steel and aluminum and magnesium |
| Fork type | 50 (millimeters) SR NRX-6000 |
Other Specs of GT ZuM 4.0
| Component group sets | Co (millimeters)uter Mix |
| Pedals details | High Impact Nylon Platform |
| Rear shock absorber | Not Available |
| Saddle seat | WTB Speed V |
| Seat post extension | GT Aluminum 6061 |
Rocky Mountain RC 30 V
General Infos| Model | RC 30 V |
| Manufacturer | Rocky Mountain |
| Year of production | 2009 |
| Current price | Check price Here ==> |
| Color choice |
-Black |
| Sizes |
- 40cm (centimeters) - 45.5cm (centimeters) - 50cm (centimeters) - 55.5cm (centimeters) - 58cm (centimeters) |
Wheels And Breaking System
| Bike front tire | 700 X 32c Kenda Kwick Roller Sport |
| Bike rear tire | Not Available |
| Bike wheel size | 700c Wheels |
| Brakeset type | Shimano ST-221 Levers Tektro 837AL V-brake Brakes |
| Hubs for disc brakes | Wheeltech Super Sealed |
| 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 |
| Frame type | TIG-welded |
| Handlebar construction | Alloy Riser |
| Handlebar extender | Optional |
| Handlebar stem details | Alloy |
| Headset size | 1 1/8 (inches) FSA |
Gearing Specifications
| Bicycle chain | Shimano HG50 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | TruVativ Power Spline |
| Crankset parts and sizes | 30/42/52 Teeth TruVativ Isoflow |
| Gear shift levers | Shimano ST-221 |
| Rear gear set | 11 - 32 Teeth 8-speed |
Rocky Mountain RC 30 V Fork System Data
| Derailleur (Front) | Shimano FD-443 |
| Derailleur (Rear) | Shimano Deore |
| Fork material | Unicrown Crown Alloy |
| Fork type | Not Available |
Other Specs of Rocky Mountain RC 30 V
| Component group sets | Shimano Mix |
| Pedals details | VP 990s |
| Rear shock absorber | Not Available |
| Saddle seat | Selle Italia XO |
| Seat post extension | 31.6 (millimeters) Diameter Alloy |
Useful links and guides ....
- To know more about this exacte bike, GT provided us with the latest version of its ZuM 4.0 bike manual
- Find All parts, tires and accessories of GT ZuM 4.0 Commuter here
- Get your Rocky Mountain RC 30 V manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Rocky Mountain RC 30 V Commuter here