GT BUMP 2008 VS GT Bicycles SPEED SERIES PRO 20 2012 specs comparison
GT Bump
General Infos| Model | Bump |
| Manufacturer | GT |
| Year of production | 2008 |
| Current price | Check price Here ==> |
| Color choice |
- Navy and White -Off White and Orange |
| Sizes |
- Standard size for everyone |
| Sizes |
- Standard size for everyone |
Wheels And Breaking System
| Bike front tire | Rear: 20 (inches) Kenda Konxsion Front: 20 (inches) Kenda K-Rad |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Tektro 274A Rear Levers N and A Front and Tektro 907A Rear Brakes |
| Hubs for disc brakes | Rear: GT Sealed Cassette Front: GT Aluminum Sealed |
| Rims manufacturer | 36-hole |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. |
Frame and Body Specs
| Frame materials | GT Cro-moly BMX Dirt and street Design |
| Frame type | TIG-welded |
| Handlebar construction | GT Dirt and street Cr-mo |
| Handlebar extender | Optional |
| Handlebar stem details | GT FS Design |
| Headset size | 1 1/8 (inches) Tange Seiki Fatty 22 |
Gearing Specifications
| Bicycle chain | KMC Z410 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Ball Type With 8 Spline Cr-Mo Axle |
| Crankset parts and sizes | GT Tubular Cr-Mo 3pc. |
| Gear shift levers | Not Available |
| Rear gear set | 12 Teeth 1-speed |
GT Bump Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Chromoly |
| Fork type | GT BMX Design |
Other Specs of GT Bump
| Component group sets | BMX |
| Pedals details | GT Dirt and Street Platform |
| Rear shock absorber | Not Available |
| Saddle seat | BMX Mini Street |
| Seat post extension | Aluminum Micro-adjust |
GT Bicycles Speed Series Pro 20
General Infos| Model | Speed Series Pro 20 |
| Manufacturer | GT Bicycles |
| Year of production | 2012 |
| Current price | Check price Here ==> |
| Color choice |
-Silver and Blue |
| Sizes |
- 20.5 TT (inches) |
Wheels And Breaking System
| Bike front tire | Tioga Powerblock 1.75 |
| Bike rear tire | Not Available |
| Bike wheel size | Not Available |
| Brakeset type | Promax MV-197 |
| Hubs for disc brakes | GT Mohawk AL Sealed 32h GT Mohawk AL Sealed 36h |
| Rims manufacturer | Unavailable Wheelset |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | Hydroformed Speed Metal Al |
| Frame type | Not Available |
| Handlebar construction | GT Race Cro-Mo |
| Handlebar extender | Not Available |
| Handlebar stem details | GT Race |
| Headset size | FSA Impact 1-1/8 (inches) |
Gearing Specifications
| Bicycle chain | KMC Z610Hk |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | FSA BB30 |
| Crankset parts and sizes | FSA Assault BB30 170 (millimeters) 44t |
| Gear shift levers | Unavailable Shifters |
| Rear gear set | Not Available |
GT Bicycles Speed Series Pro 20 Fork System Data
| Derailleur (Front) | Unavailable Front Derailleur |
| Derailleur (Rear) | Unavailable Rear Derailleur |
| Fork material | Not Available |
| Fork type | GT Cro-Mo |
Other Specs of GT Bicycles Speed Series Pro 20
| Component group sets | Not Available |
| Pedals details | GT Pro Plastic |
| Rear shock absorber | Unavailable Rear Shock |
| Saddle seat | SDG Patriot I-Beam |
| Seat post extension | SDG I-Beam |
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 Bump bike manual
- Find All parts, tires and accessories of GT Bump BMX here
- Get your GT Bicycles Speed Series Pro 20 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for GT Bicycles Speed Series Pro 20 BMX here
