Item # qgtair20mbk14zz-gt-bmx-bikes

GT Air BMX Bike 20in

GT Air BMX Bike 20in
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Description: GT Air BMX Bike 20in

The GT Air BMX Bike is another awesome bike from the best-known name in BMX. This sweet ride features a Hi-ten steel frame with a gusset on the down tube for extra strength. It's ready for anything whether it's dirt, street or ramp riding because it comes with 36H Aluminum Rims wrapped in GT Sandbox tires. The compact 25/9 gear ratio gives you all the speed you need while maintaining that new-school look!

Key Features of the GT Air BMX Bike 20in:
  • GT Skinwall Sandbox Tires
  • Taller Handlebar Size
  • GT Top Load inverted design stem
  • Sizes: 20" Wheel, 19.5" Top Tube
  • Colors: Red, BBQ
  • Frame: GT Dirt Design S/S, Hi-Ten Steel Tubes, Downtube Gusset, Americ
  • Fork: GT Dirt/ Street Design, Hi-Ten 31.8- 28.6mm Tapered O.D. Blades, Hi-Ten Steerer, 320mm, A/C, 3/8" Axle
  • Chain: KMC Z410
  • Crankset Chainwheel: 9T Cassette
  • Crank: GT Forged Steel One Piece Crank, 165mm Arms, 25T GT Steel Chain Wheel
  • Bottom Bracket: American Loose Ball Bearing
  • Pedals: GT Low Profile Mid Size Platform Design, PP Material, Boran Axle
  • Rims: Pinned Aluminum, 36 Hole
  • Tires: (F) GT Sandbox Dirt Tread 20" x 2.10", (R) 20 x 2.0" Street Tread
  • Hubs: (F) Steel Body, Loose Ball 3/8" Heat-Treated Axle, 36 Hole, (R) Loose Ball 4 Sealed Bearing 14mm 9T Cassette 36 Hole
  • Spokes: Stainless Steel
  • Nipples: Brass
  • Brake: Tektro FX340R, Aluminum U-Brake
  • Brake Levers: Alloy
  • Handlebar: 690mm Width, 210mm Rise, 11 ¡ Sweep, 3 ¡ Tip, 1.8T, w/Crossbar
  • Stem: GT Top Load Design With Cold Forged Clamp, 50mm Ext, GT logo
  • Grips: GT Wings Logo 130mm Single Compound
  • Headset: 1-1/8" Threadless, Steel
  • Saddle: GT Dirt Design, 7mm
  • Seat Post: Steel, 25.4mm x 200mm
  • Seat Clamp: Alloy, 28.6mm


NOTE: All bikes are sold and delivered partially assembled. Final assembly should be done by a certified bike technician. Failure to have the bike assembled by a certified bike technician may void the warranty and could result in damage and/or injury if not assembled correctly.

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Browse 13 questions and 13 answers
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Why did you choose this? Store
I went with the GT Air bike because it is a trusted brand with everything my son needs in a bike at a price that is reasonable for me.
Alexis S on Nov 25, 2014
Quality, Quality, Quality! I'm sick of the cheap Wal-Mart brand bikes... Just wanted to get my son something that would last.
Anthony C on Dec 8, 2013
My son wants to race a bmx bike and I told him how I used to ride a GT so needless to say he wanted to race a GT!
Christopher H on Dec 16, 2013
when you order a bike does it already come assembled or do we need to assemble it?
A shopper on Apr 17, 2014
will this bike be strong enough to take drops and not bend or brake?
A shopper on Jul 16, 2014
Best Answer: GT Bikes has been doing what they do longer than most. The GT Air BMX Bike is designed to get just than, massive amounts of air.
Reply · Report · Matt GStaff on Jul 21, 2014
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Is the brakes of the gt air bmx removable?
A shopper on Aug 7, 2015
Best Answer: Sorry it took so long for the husband was out of town and I wasn't sure. He says the brake is removable, and it is the only brake...none at pedals. Hope this isn't too late to help.
Reply · Report · Karen B on Aug 13, 2015
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which are better one piece or 3 piece cranks?
Thomas R on Jan 26, 2014
Best Answer: 3 piece allowing you to fully adjust by changing crank length without change the whole mechanism... more adjustable and if all you do is bend a crank just replace it the rest stays in place.... so I vote 3 piece.
Reply · Report · Brian E on Jan 27, 2014
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how much does the shipping cost?
A shopper on Jan 14, 2015
Best Answer: Good Day!
This will depend on where you live and what method you choose. Take a look here for more info:
Reply · Report · Keyser S.Staff on Jan 15, 2015
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What's the weight of the GT air ?
A shopper on Nov 3, 2014
Best Answer: Unfortunately GT does not release the weight of any of their bikes. The GT Air weighs between 25-26lbs
Reply · Report · Mark SStaff on Nov 4, 2014
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How much does this bike weigh?
Sammy S on Dec 21, 2013
Best Answer: The GT Air weighs in at 26.4lbs
Reply · Report · Mark SStaff on Dec 22, 2013
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How much does this bike weigh?
A shopper on Dec 19, 2013
Best Answer: The Gt Air weighs in at 26.4lbs
Reply · Report · Mark SStaff on Dec 22, 2013
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I have this bike and I am getting new tires, will 20x2.4 tires fit? I am also brakeless.
A shopper on Aug 24, 2014
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