GT Bicycles BUMP 2012 VS GT SPEED SERIES JR. 1997 specs comparison
GT Bicycles Bump
General Infos| Model | Bump |
| Manufacturer | GT Bicycles |
| Year of production | 2012 |
| Current price | Check price Here ==> |
| Color choice |
- Satin White -Satin Black |
| Sizes |
- Standard size for all |
| Sizes |
- Standard size for all |
Wheels And Breaking System
| Bike front tire | GT Dirt 2.125 |
| Bike rear tire | Not Available |
| Bike wheel size | Not Available |
| Brakeset type | Tektro FX340R |
| Hubs for disc brakes | GT Alloy Sealed 32h GT Alloy Sealed Cassette 36h |
| Rims manufacturer | Unavailable Wheelset |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | Straight Guage Cro-Mo |
| Frame type | Not Available |
| Handlebar construction | GT Freestyle |
| Handlebar extender | Not Available |
| Handlebar stem details | GT Freestyle |
| Headset size | FDP Integrated |
Gearing Specifications
| Bicycle chain | KMC Z510 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Sealed Mid |
| Crankset parts and sizes | GT 3-pc Cro-Mo 175 (millimeters) 25t |
| Gear shift levers | Unavailable Shifters |
| Rear gear set | Not Available |
GT Bicycles Bump 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 Bump
| Component group sets | Not Available |
| Pedals details | GT Pro Plastic |
| Rear shock absorber | Unavailable Rear Shock |
| Saddle seat | GT Dirt Unified |
| Seat post extension | GT Unified |
GT Speed Series Jr.
General Infos| Model | Speed Series Jr. |
| Manufacturer | GT |
| Year of production | 1997 |
| Current price | Check price Here ==> |
| Color choice |
-Ball burnished |
| Sizes |
- Boys |
Wheels And Breaking System
| Bike front tire | 20 X 1 1/8 (inches) GT AA Pro Kevlar |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Dia-Compe Levers Dia-Compe Aluminum Side-pull Caliper Rear Brakes |
| Hubs for disc brakes | High-flange GT Mohawk |
| Rims manufacturer | 36-hole Araya |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Steel |
Frame and Body Specs
| Frame materials | 6061 T6 Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | GT Aluminum |
| Handlebar extender | Not Available |
| Handlebar stem details | GT Aluminum |
| Headset size | 1 (inches) Threadless Steel |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) KMC 410 |
| Bottom bracket shell width | 68 (millimeters) Threadless |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 44 Teeth 3-piece Aluminum |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth 1-speed |
GT Speed Series Jr. Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Chromoly |
| Fork type | GT |
Other Specs of GT Speed Series Jr.
| Component group sets | Not Available |
| Pedals details | GT Aluminum Platforms |
| Rear shock absorber | Not Available |
| Saddle seat | GT Plastic |
| Seat post extension | Aluminum |
Useful links and guides ....
- To know more about this exacte bike, GT Bicycles provided us with the latest version of its Bump bike manual
- Find All parts, tires and accessories of GT Bicycles Bump BMX here
- Get your GT Speed Series Jr. manual book version yo know further about this bike
- Saddles, tires And mechanical parts for GT Speed Series Jr. BMX here