Bicycle Archive · Specification reportBicycle Archive · Specification report2012 GT Air · 2009 GT Air
| Specification | 2012 GT Air | 2009 GT Air |
|---|---|---|
| Overview | ||
| Model year | 2012 | 2009 |
| Brand | GT | GT |
| Model | Air | Air |
| Bicycle type | BMX | BMX |
| Archive ID | 2023748 | 18797 |
| Original MSRP | — | $269.99 |
| Colors | Bright Yellow, Satin Grey | White |
| Sizes | One Size | 19.5" TT |
| Frameset | ||
| Frame construction | — | TIG-welded |
| Frame material | Straight Guage Hi-Ten | High Tensile Steel |
| Fork | GT Hi-Ten | GT Freestyle |
| Fork material | — | High-tensile steel, unicrown crown |
| Rear shock | — | N/A |
| Drivetrain | ||
| Component group | — | BMX |
| Shifters | — | N/A |
| Front derailleur | — | N/A |
| Rear derailleur | — | N/A |
| Crankset | GT 1-pc 165mm 33t | Steel One Piece, 42 teeth |
| Bottom bracket | American BB | Steel |
| Cassette | Odyssey Cro-Mo 13t | Freewheel |
| Rear cogs | — | 1-speed, 16 teeth |
| Chain | KMC Z410 | KMC Z510 |
| Pedals | GT Expert Plastic | GT Jump design, resin |
| Brakes | ||
| Brakes | C-Star U-Brake | Tektro 907 U-brake brakes, Tektro 289A levers |
| Cockpit & contact points | ||
| Headset | FSA External | 1 1/8" TH |
| Handlebar | GT Freestyle | GT dirt/street Hi-Ten |
| Handlebar extensions | — | Not included |
| Stem | GT Freestyle | GT Freestyle aluminum |
| Saddle | GT Dirt Rail | GT freestyle |
| Seatpost | Steel 25.4 mm | Steel, 25.4mm diameter |
| Wheels & tires | ||
| Hubs | steel steel | Front: Sealed mech, Rear: Sealed mech, freewheel |
| Rims | — | Mags |
| Front tire | GT Dirt 2.125 | 20 x 2.10" GT Air Bags |
| Wheel size | — | 20" wheels |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on November 13, 2026.