GT ZUM 4.0 2007 VS GT LA BOMBA 2011 specs comparison

GT ZuM 4.0
General InfosModel | ZuM 4.0 |
Manufacturer | GT |
Year of production | 2007 |
Current price | Check price Here ==> |
Color choice | -Not found |
Sizes | - Xsmall - small - medium - large - xlarge |
Sizes | - Xsmall - small - medium - large - xlarge |
Wheels And Breaking System
Bike front tire | 26 X 1.50 (inches) Tioga City Slicker |
Bike rear tire | Not Available |
Bike wheel size | 26 (inches) Wheels |
Brakeset type | Shimano ST-EF29 LeversTektro Linear-pull Brakes |
Hubs for disc brakes | Alloy QR |
Rims manufacturer | Alloy Double Wall |
Spoke nipples type | Brass Nipples |
Spoke wheel | Stainless Steel |
Frame and Body Specs
Frame materials | ZuM 6061 Butted Aluminum |
Frame type | TIG-welded |
Handlebar construction | 6061 Heat TreatedGT Mtn Riser |
Handlebar extender | Not Available |
Handlebar stem details | GT ATB |
Headset size | FSA Integrated |
Gearing Specifications
Bicycle chain | Not Available |
Bottom bracket shell width | Not Available |
Bottom bracket type | Cartridge Sealed |
Crankset parts and sizes | 22/32/42 TeethSuntour XCT-202 |
Gear shift levers | Shimano ST-EF50 |
Rear gear set | 11 - 32 Teeth8-speed |
GT ZuM 4.0 Fork System Data
Derailleur (Front) | Shimano Acera |
Derailleur (Rear) | Shimano Acera |
Fork material | Unicrown CrownAluminum and magnesium |
Fork type | 60 (millimeters) TravelSR NRX-4000 |
Other Specs of GT ZuM 4.0
Component group sets | Mountain Mix |
Pedals details | High Impact Nylon Platform |
Rear shock absorber | Not Available |
Saddle seat | WTB Speed V |
Seat post extension | GT Aluminum 6061 |

GT La Bomba
General InfosModel | La Bomba |
Manufacturer | GT |
Year of production | 2011 |
Current price | Check price Here ==> |
Color choice | -Orange |
Sizes | - M - L |
Wheels And Breaking System
Bike front tire | Rear: 26 X 2.35 (inches) Maxxis High RollerFront: 26 X 2.35 Maxxis High Roller |
Bike rear tire | Not Available |
Bike wheel size | 26 (inches) Wheels |
Brakeset type | Shimano BL-M505 LeversShimano BR-M445 Brakes |
Hubs for disc brakes | Alloy Sealed Bearing |
Rims manufacturer | 32-holeAlex SX-44 |
Spoke nipples type | Brass |
Spoke wheel | 14/15ga. Stainless |
Frame and Body Specs
Frame materials | 6061-T6 Aluminum |
Frame type | Aluminum |
Handlebar construction | All Terra |
Handlebar extender | Optional |
Handlebar stem details | All Terra |
Headset size | 1 1/8 (inches) FSA Gravity DLR |
Gearing Specifications
Bicycle chain | HG53 |
Bottom bracket shell width | Not Available |
Bottom bracket type | FSA Mega EXO |
Crankset parts and sizes | 36T TeethFSA Gravity |
Gear shift levers | SRAM X.7 |
Rear gear set | 11 - 26 Teeth9-speed |
GT La Bomba Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | SRAM X.9 |
Fork material | Not Available |
Fork type | 100 (millimeters) TravelRockShox Recon Silver R |
Other Specs of GT La Bomba
Component group sets | Mountain Mix |
Pedals details | GT Slim Line Flat |
Rear shock absorber | Not Available |
Saddle seat | WTB Devo |
Seat post extension | All Terra AL2014 |
Related Bike comparison


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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 Mountain bike here
- Get your GT La Bomba manual book version yo know further about this bike
- Saddles, tires And mechanical parts for GT La Bomba Mountain bike here