GT AIR 2009 VS Premium SPIRE 2012 specs comparison
GT Air
General Infos| Model | Air |
| Manufacturer | GT |
| Year of production | 2009 |
| Current price | Check price Here ==> |
| Color choice |
-White |
| Sizes |
- 19.5 TT (inches) |
| Sizes |
- 19.5 TT (inches) |
Wheels And Breaking System
| Bike front tire | 20 X 2.10 (inches) GT Air Bags |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Tektro 289A Levers Tektro 907 U-brake Brakes |
| Hubs for disc brakes | Rear: Sealed Mech Freewheel Front: Sealed Mech |
| Rims manufacturer | Mags |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | High Tensile Steel |
| Frame type | TIG-welded |
| Handlebar construction | GT Dirt and street Hi-Ten |
| Handlebar extender | Optional |
| Handlebar stem details | GT Freestyle Aluminum |
| Headset size | 1 1/8 (inches) TH |
Gearing Specifications
| Bicycle chain | KMC Z510 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Steel |
| Crankset parts and sizes | 42 Teeth Steel One Piece |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth 1-speed |
GT Air Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown High-tensile Steel |
| Fork type | GT Freestyle |
Other Specs of GT Air
| Component group sets | BMX |
| Pedals details | Resin GT Jump Design |
| Rear shock absorber | Not Available |
| Saddle seat | GT Freestyle |
| Seat post extension | 25.4 (millimeters) Diameter Steel |
Premium Spire
General Infos| Model | Spire |
| Manufacturer | Premium |
| Year of production | 2012 |
| Current price | Check price Here ==> |
| Color choice |
- Matte Electric Blue -Matte Black |
| Sizes |
- 20.5 TT (inches) - 21 TT (inches) |
Wheels And Breaking System
| Bike front tire | Premium Street |
| Bike rear tire | Not Available |
| Bike wheel size | Not Available |
| Brakeset type | Unavailable Brakes |
| Hubs for disc brakes | Unavailable Front Hub Unavailable Rear Hub |
| Rims manufacturer | Alloy 36h |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | Full Chromoly |
| Frame type | Not Available |
| Handlebar construction | Chromoly 8 (inches) Rise |
| Handlebar extender | Not Available |
| Handlebar stem details | Alloy Front Loading |
| Headset size | Unavailable Headset |
Gearing Specifications
| Bicycle chain | Unavailable Chain |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | MID BB |
| Crankset parts and sizes | Premium 16 |
| Gear shift levers | Unavailable Shifters |
| Rear gear set | Not Available |
Premium Spire Fork System Data
| Derailleur (Front) | Unavailable Front Derailleur |
| Derailleur (Rear) | Unavailable Rear Derailleur |
| Fork material | Not Available |
| Fork type | Chromoly |
Other Specs of Premium Spire
| Component group sets | Not Available |
| Pedals details | Odyssey Twisted Plastic |
| Rear shock absorber | Unavailable Rear Shock |
| Saddle seat | Pivotal Padded |
| Seat post extension | Pivotal |
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 Air bike manual
- Find All parts, tires and accessories of GT Air BMX here
- Get your Premium Spire manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Premium Spire BMX here