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.
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Sizes: 18.5" Top Tube
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Frame: GT Mach One Race, 6061-T6 AL, Euro BB, Reverse Dropouts, 1-1/8" Integrated H/T
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Fork: GT BMX design, 1-1/8" Steerer x 31.8mm blades, Hi-Ten Blades
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Chain: KMC Z410
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Crank: GT Power Series Tubular Cr-Mo 3-Piece, 175mm Arms, 19mm x 8T Splined Spindle, GT 38T Steel Sprocket
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Bottom Bracket: External Euro Sealed Bearings
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Pedals: GT Low Profile FS Platform Design, PP Material, Boron Axle
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Rims: Alloy Single Wall, 20" 36 Hole (F/R)
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Tires: GT Wing, 20x1.75" (F/R)
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Hubs: Front: Steel Body, 36H, 3/8" Axle Rear: Steel Body, Freewheel, 36H, 3/8" Axle
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Spokes: 14G
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Brake: Rear: Alloy V-type
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Brake Levers: Alloy V-type
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Handlebar: GT Race, Steel, 8.25"H x 29"W, 11? Back, 3? Up, 19mm O.D. Cross Bar
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Stem: GT Top Load 1-1/8" Aluminum, 50mm Length
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Grips: GT Statement
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Headset: 1-1/8" Integrated Design, 45X45 Degree Sealed Bearings
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Saddle: GT Uni Pro padded
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Seat Post: AL integrated w/ Saddle, 27.2 x 250mm
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Seat Clamp: Alloy, 31.8mm Single Bolt
