GT THUMPER 2004 VS GT BUMP 2005 specs comparison
GT Thumper
General Infos| Model | Thumper |
| Manufacturer | GT |
| Year of production | 2004 |
| Current price | Check price Here ==> |
| Color choice | -Blue |
| Sizes | - One |
| Sizes | - One |
Wheels And Breaking System
| Bike front tire | Rear: 20 X 2.10 (inches) GT LP-4Front: 20 X 2.20 (inches) GT 1453 |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Tektro 273A Rear LeversTektro FX-11 U-brake Rear Brakes |
| Hubs for disc brakes | 14 (millimeters) AxleAluminum |
| Rims manufacturer | 36-holeAlex DX-2418 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. Straight GaugeStainless Steel |
Frame and Body Specs
| Frame materials | Chromoly |
| Frame type | TIG-welded |
| Handlebar construction | GT BMX |
| Handlebar extender | Not Available |
| Handlebar stem details | GT Piston |
| Headset size | 1 1/8 (inches) Threadless Tien Hsin With SST Oryg |
Gearing Specifications
| Bicycle chain | 1/2 X 3/16 (inches)KMC Z510H |
| Bottom bracket shell width | American |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 39 TeethGT 3-piece Chromoly |
| Gear shift levers | Not Available |
| Rear gear set | 14 Teeth1-speed |
GT Thumper Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown CrownChromoly |
| Fork type | GT |
Other Specs of GT Thumper
| Component group sets | Not Available |
| Pedals details | GT BMX Design Aluminum |
| Rear shock absorber | Not Available |
| Saddle seat | GT Launch Pad |
| Seat post extension | Steel Micro-adjust |
GT Bump
General Infos| Model | Bump |
| Manufacturer | GT |
| Year of production | 2005 |
| Current price | Check price Here ==> |
| Color choice | - Madness Pewter-Deep Artic Blue |
| Sizes | - Not available |
Wheels And Breaking System
| Bike front tire | Rear: 20 X 2.10 (inches) GT LP-IVFront: 20 X 2.20 (inches) GT 1453 |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Tektro 274A Rear LeversTektro 907AD Rear Brakes |
| Hubs for disc brakes | 3/8 (inches) AxleAluminum |
| Rims manufacturer | Alex G22 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. Straight Gauge |
Frame and Body Specs
| Frame materials | Chromoly |
| Frame type | TIG-welded |
| Handlebar construction | Chromoly 2-piece |
| Handlebar extender | Not Available |
| Handlebar stem details | GT Johnson III |
| Headset size | 1 1/8 (inches) Threadless Tange Seiki Fatty 22 |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches)KMC Z410 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 39 TeethGT Tubular Chromoly |
| Gear shift levers | Not Available |
| Rear gear set | 14 Teeth1-speed |
GT Bump Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown CrownChromoly |
| Fork type | GT |
Other Specs of GT Bump
| Component group sets | Not Available |
| Pedals details | GT Dirt and Street |
| Rear shock absorber | Not Available |
| Saddle seat | GT-6 Original |
| Seat post extension | Aluminum Micro-adjust |
Useful links and guides ....
- To know more about this exacte bike, GT provided us with the latest version of its Thumper bike manual
- Find All parts, tires and accessories of GT Thumper Freestyle here
- Get your GT Bump manual book version yo know further about this bike
- Saddles, tires And mechanical parts for GT Bump Freestyle here