available colors black  

(Not all colors available in all countries)

Mach One Expert

Designed to be the perfect introduction into the world of racing, the Mach One is available in a variety of sizes, built to suit every need.

Specs
Sizes: 19.25" Top Tube
Frame: GT Mach One Race, 6061-T6 AL, Euro BB, Reverse Dropouts, 1" Integrated H/T
Fork: GT BMX Pro Race, Hi-Ten Steel 1 1/8" Steerer, Oval 28.6x2.2mm Blades, 315mm A/C, 3/8" Dropouts
Chain: KMC Z410
Crank: Alloy Forged 3-Piece, Square Taper, 140mm, BCD110, 36T Steel Chain Ring, Chain Ring Bolts
Bottom Bracket: External Euro Sealed Bearings
Pedals: GT Low Profile FS Platform Design, PP Material, Boron Axle
Rims: Alloy Double Wall, 20" 28 Hole (F/R)
Tires: Kenda Race 20" x 1-3/8" (F/R)
Hubs: Front: Steel Body, 28H, 3/8" Axle Rear: Steel Body, Freewheel, 28H, 3/8" Axle
Spokes: 14G
Brake: Rear: Alloy V-type
Brake Levers: Alloy V-type
Handlebar: GT Race, Steel, 6.5"H x 26"W, 8° Back, 4° Up, 19mm O.D. Cross Bar
Stem: GT Top Load 1-1/8" Aluminum, 50mm Length
Grips: GT Statement
Headset: 1-1/8" Integrated Design, 45X45 Degree Sealed Bearings
Saddle: GT Uni Mini Kevlar padded
Seat Post: AL integrated w/ Saddle, 25.4 x 150mm
Seat Clamp: Alloy, 28.6mm Single Bolt
Extras: N/A

*All prices and specifications subject to change without notice.
Chassis Tune
  • Easy

    Get on it. Ride it. Don’t think twice about it.

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  • Stiff

    Drop the hammer without dropping power. Less flex. Less waste.

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  • Strong

    Ride on, over or through anything you want. You may not survive, but your bike will.

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  • Light

    So you can go faster and jump higher. It’s not rocket science.

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Geometry
Mach One Expert Geometry
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