Entry to BMX Racing shouldn’t cost an arm and a leg. The Mach One Expert is made to fit riders 4'8" -5'4". GT Mach One Race Frame and Superb Components Intended for the beginner BMX rider, this version of the Mach One Expert model is a superb option for the thrill-seeking first-timer. It's created with modern geometry to help enhance your BMX racing skills, so your style stands out from the crowd. Plus, with a GT Mach One Race aluminium frame at its core, fitted with Power Series CrMo cranks and rolls on single-wall alloy rims and GT Wing tyres, it ensures every journey is fast, confidence-inspiring and fun. Please note: this bike is for use on BMX tracks and skate parks. In many countries, using this bike on public roads is illegal without using the two independent braking systems provided (a front and rear brake).
The GT Mach One is designed to be the ideal introduction into the world of BMX racing. With a 6061 T-6 alloy frame inspired by the GT Speed Series frame, along with reverse dropouts, a GT top load stem, V-brakes and high quality tyres. See below for full specs. ###section### Product Specs FRAME MATERIAL: 6061 T6 Aluminium WHEEL SIZE: 20" TOP TUBE LENGTH: 19.5" CHAIN STAY LENGTH: 13.62" HEAD TUBE ANGLE: 73° SEAT TUBE ANGLE: 70° FORKS: GT BMX Race, Hi-Ten Steel 1 1/8” Steerer, Tapered Legs, 3/8” Dropouts BARS: GT Race, Steel, 6.5”Hx26”W, 8°Back, 4°Up, 19mm O.D. CrossBar STEM: GT Top Load, 1”, 40mm HEADSET: 1 1/8” Integrated Design, 45X45 Degree Sealed Bearings BRAKE MOUNTS: Welded BRAKES: Alloy V-type FRONT HUB: Steel Body, 28h, 3/8”Axle FRONT RIM: Alloy Double Wall, 28h REAR HUB: Steel Flip Flop Thread-onBody, Freewheel, 28h, 3/8”Axle REAR RIM: Alloy Double Wall, 28h TYRES: Kenda Race, 20x1-3/8” SPROCKET: 38T Steel Chain Ring CRANKS: GT Alloy Forged 3pc, 165mm, SquareTaper BB: Euro PEDALS: TBC SEAT: GT Uni Mini Padded GEARING: 38/16 WEIGHT: TBC ###section### Product Highlights Expert sized BMX bike. Designed for the needs of racers who are 5ft" - 5ft 4" (150cm - 165cm) A BMX race specific bike perfect for racers who want to take it to the next level Lightweight aluminium construction Durable double wall rims V-brake system on welded mounts ###shogun-image-section###
The GT Mach One is designed to be the ideal introduction into the world of BMX racing. With a 6061 T-6 alloy frame inspired by the GT Speed Series frame, along with reverse dropouts, a GT top load stem, V-brakes and high quality tyres. See below for full specs. ###section### Product Specs FRAME MATERIAL: 6061 T6 Aluminium WHEEL SIZE: 20" TOP TUBE LENGTH: 18.75" CHAIN STAY LENGTH: 13.18" HEAD TUBE ANGLE: 73° SEAT TUBE ANGLE: 70° FORKS: GT BMX Race, Hi-Ten Steel 1 1/8” Steerer, Tapered Legs, 3/8” Dropouts BARS: GT Race, Steel, 4”Hx24”w/8°Back, 2°Up, 19mm O.D. CrossBar STEM: GT Top Load, 1”, 40mm HEADSET: 1 1/8” Integrated Design, 45X45 Degree Sealed Bearings BRAKE MOUNTS: Welded BRAKES: Alloy V-type FRONT HUB: Steel Body, 28h, 3/8”Axle FRONT RIM: Alloy Double Wall, 28h REAR HUB: Steel Flip Flop Thread-onBody, Freewheel, 28h, 3/8”Axle REAR RIM: Alloy Double Wall, 28h TYRES: Kenda Race, 20x1-3/8” SPROCKET: 38T Steel Chain Ring CRANKS: GT Alloy Forged 3pc, 152mm, SquareTaper BB: Euro PEDALS: TBC SEAT: GT Uni Mini Padded GEARING: 38/16 WEIGHT: TBC ###section### Product Highlights Junior sized BMX bike. Designed for the needs of racers who are 4ft 6" - 5ft 1" (138cm - 155cm) A BMX race specific bike great for those riders just getting started Lightweight aluminium construction Durable double wall rims V-brake system on welded mounts ###shogun-image-section###
This superb beginner BMX racer features a GT Mach One Race aluminium frame that's designed with modern geometry to compliment speed, control and comfort. Also, it's equipped with quality alloy-forged 3-piece cranks, GT Race handlebars and Kenda Race tyres to give new riders a head start. Perfect for Aspiring BMX Racers This bike is perfect for the newcomer to the world of BMX racing, and its quality build and construction inspire confidence for riders in the early stages of racing. Please note: this bike is for use on BMX tracks and skate parks. In many countries, it is illegal to use this bike on public roads without using the two independent braking systems provided (a front and rear brake).
The GT Mach One is designed to be the ideal introduction into the world of BMX racing. With a 6061 T-6 alloy frame inspired by the GT Speed Series frame, along with reverse dropouts, a GT top load stem, V-brakes and high quality tyres. See below for full specs. ###section### Product Specs FRAME MATERIAL: 6061 T6 Aluminium WHEEL SIZE: 20" TOP TUBE LENGTH: 17.75" CHAIN STAY LENGTH: 13.18" HEAD TUBE ANGLE: 72° SEAT TUBE ANGLE: 70° FORKS: GT BMX Race, Hi-Ten Steel 1 1/8” Steerer, Tapered Legs, 3/8” Dropouts BARS: GT Race, Steel, 2”Hx22”w/8°Back, 2°Up STEM: GT Top Load, 1”, 40mm HEADSET: 1 1/8” Integrated Design, 45X45 Degree Sealed Bearings BRAKE MOUNTS: Welded BRAKES: Alloy V-type FRONT HUB: Steel Body, 28h, 3/8”Axle FRONT RIM: Alloy Double Wall, 28h REAR HUB: Steel Flip Flop Thread-onBody, Freewheel, 28h, 3/8”Axle REAR RIM: Alloy Double Wall, 28h TYRES: Kenda Race, 20x1-3/8” SPROCKET: 38T Steel Chain Ring CRANKS: GT Alloy Forged 3pc, 140mm, SquareTaper BB: Euro PEDALS: TBC SEAT: GT Uni Mini Padded GEARING: 38/16 WEIGHT: TBC ###section### Product Highlights Mini size. Designed specifically for the smallest racers. Approx 4ft 2" - 4ft 10" (127cm - 148cm) A great BMX race inspired kids BMX bike Lightweight aluminium construction Durable double wall rims V-brake system on welded mounts ###shogun-image-section###
The GT Mach One is designed to be the ideal introduction into the world of BMX racing. With a 6061 T-6 alloy frame inspired by the GT Speed Series frame, along with reverse dropouts, a GT top load stem, V-brakes and high quality tyres. See below for full specs. ###section### Product Specs FRAME MATERIAL: 6061 T6 Aluminium WHEEL SIZE: 24" TOP TUBE LENGTH: 21.75" CHAIN STAY LENGTH: 15.43" HEAD TUBE ANGLE: 73° SEAT TUBE ANGLE: 70° FORKS: GT BMX Race, Hi-Ten Steel 1 1/8” Steerer, Tapered Legs, 3/8” Dropouts BARS: GT Race, Steel, 6.5”H x 29”W, 4° Up, 8° Back STEM: GT Top Load, 1”, 50mm HEADSET: 1 1/8” Integrated Design, 45X45 Degree Sealed Bearings BRAKE MOUNTS: Welded BRAKES: Alloy V-type FRONT HUB: Steel Body, 36H, 3/8” Axle FRONT RIM: Alloy Single Wall, 36h REAR HUB: Steel Flip Flop Thread-onBody, Freewheel, 36h, 3/8”Axle REAR RIM: Alloy Single Wall, 36h TYRES: GT Wing 24 x 2.1” (front), GT Wing 24 x 1.75” (rear) SPROCKET: 42T Steel Chain Ring CRANKS: GT Power Series Tubular Cr-Mo 3pc., 175mm Arms, 19mm x 8T Splined Spindle, Steel Spider, BB: Euro PEDALS: TBC SEAT: Railed GEARING: 42/18 WEIGHT: TBC ###section### Product Highlights Cruiser BMX Race bike with larger 24" wheels. A BMX race specific bike perfect for racers who want to take it to the next level Lightweight aluminium construction Lightweight aluminium frame V-brake system on welded mounts ###shogun-image-section###
The GT Mach One is designed to be the ideal introduction into the world of BMX racing. With a 6061 T-6 alloy frame inspired by the GT Speed Series frame, along with reverse dropouts, a GT top load stem, V-brakes and high quality tyres. See below for full specs. ###section### Product Specs FRAME MATERIAL: 6061 T6 Aluminium WHEEL SIZE: 20" TOP TUBE LENGTH: 20.75" CHAIN STAY LENGTH: 14.92" HEAD TUBE ANGLE: 74° SEAT TUBE ANGLE: 72° FORKS: GT BMX Race, Hi-Ten Steel 1 1/8” Steerer, Tapered Legs, 3/8” Dropouts BARS: GT Race, Steel, 8.25”H x 29”W, 3° Up, 11° Back STEM: GT Top Load, 1”, 50mm HEADSET: 1 1/8” Integrated Design, 45X45 Degree Sealed Bearings BRAKE MOUNTS: Welded BRAKES: Alloy V-type FRONT HUB: Steel Body, 36H, 3/8” Axle FRONT RIM: Alloy Single Wall, 36h REAR HUB: Steel Flip Flop Thread-onBody, Freewheel, 36h, 3/8”Axle REAR RIM: Alloy Single Wall, 36h TYRES: GT Wing 20 x 1.75” SPROCKET: 44T Steel Chain Ring CRANKS: GT Power Series Tubular Cr-Mo 3pc., 175mm Arms, 19mm x 8T Splined Spindle, Steel Spider, BB: Euro PEDALS: TBC SEAT: Railed GEARING: 44/16 WEIGHT: TBC ###section### Product Highlights Pro sized BMX race bike for riders who need a full size BMX. Typically suited to riders 5ft 3" to 5ft 8" (160cm - 175cm) A BMX race specific bike perfect for racers who want to take it to the next level Lightweight aluminium construction Lightweight aluminium frame V-brake system on welded mounts ###shogun-image-section###
The 2021 GT Speed Series frame is stronger, stiffer and better looking than ever before! With double wall rims , strong chromoly forks, and sealed bearings all round, the GT Speed Series is ready for whatever the track can through at it. ###section### Product Specs FRAME MATERIAL: 6061 T6 Aluminium, Alloy Formed and Butted Speed Metal Tubes WHEEL SIZE: 20" TOP TUBE LENGTH: 19.5" CHAIN STAY LENGTH: 13.62" HEAD TUBE ANGLE: 73° SEAT TUBE ANGLE: 70° FORKS: GT BMX Expert Race, 100% Cr-Mo 1-1/8” Steerer, 3/8” Dropouts BARS: GT Speed Cr-Mo 6.5”H x 26”W, 8° Sweep, 4° Up, Taper Cross Bar STEM: GT Top Load, Cold Forged 1”, 40mm HEADSET: 1 1/8” Integrated Design, 45X45 Degree Sealed Bearings BRAKE MOUNTS: Welded BRAKES: Promax MV-87, 85mm Cold Forged AL Arms, Mini V-Type FRONT HUB: GT Speed Series, Alloy CNC Body, Sealed Bearings, 28h, 3/8” Female Allen Bolts FRONT RIM: Alloy Double Wall, 28h REAR HUB: GT Speed Series Cassette, Alloy CNC body, 5 Sealed Bearings, 3 Pawl Cassette, 28h, 3/8” Allen Bolts REAR RIM: Alloy Double Wall, 28h TYRES: Kenda Kompact Pro Race, 20 x 1-1/8” SPROCKET: 42T AL CNC Chain Ring CRANKS: GT Forged Alloy 2pc., 165mm Arms, 24mm Hollow/ Alloy Spindle, BB: Euro PEDALS: TBC SEAT: BOX Echelon GEARING: 42/16 WEIGHT: TBC ###section### Product Highlights Expert sized BMX bike. Designed for the needs of racers who are 5ft" - 5ft 4" (150cm - 165cm) A BMX race specific bike perfect for racers who want to take it to the next level Lightweight aluminium construction Strong responsive V-brake Durable double wall rims ###shogun-image-section###
The 2021 GT Speed Series frame is stronger, stiffer and better looking than ever before! With double wall rims , strong chromoly forks, and sealed bearings all round, the GT Speed Series is ready for whatever the track can through at it. ###section### Product Specs FRAME MATERIAL: 6061 T6 Aluminium, Alloy Formed and Butted Speed Metal Tubes WHEEL SIZE: 20" TOP TUBE LENGTH: 20" CHAIN STAY LENGTH: 13.62" HEAD TUBE ANGLE: 73° SEAT TUBE ANGLE: 70° FORKS: GT BMX Pro Race, 100% Cr-Mo 1 1/8” Steerer, Tapered Legs, 305mm A/C, 3/8” Dropouts BARS: GT Speed Cr-Mo 6.5”H x 26”W, 8° Sweep, 4° Up, Taper Cross Bar STEM: GT Top Load, Cold Forged 1”, 40mm HEADSET: 1 1/8” Integrated Design, 45X45 Degree Sealed Bearings BRAKE MOUNTS: Welded BRAKES: Promax MV-87, 85mm Cold Forged AL Arms, Mini V-Type FRONT HUB: GT Speed Series, Alloy CNC Body, Sealed Bearings, 28h, 3/8” Female Allen Bolts FRONT RIM: Alloy Double Wall, 28h REAR HUB: GT Speed Series Cassette, Alloy CNC body, 5 Sealed Bearings, 3 Pawl Cassette, 28h, 3/8” Allen Bolts REAR RIM: Alloy Double Wall, 28h TYRES: Kenda Kompact Pro Race, 20 x 1-1/8” SPROCKET: 42T AL CNC Chain Ring CRANKS: GT Forged Alloy 2pc., 170mm Arms, 24mm Hollow/ Cr-Mo Spindle BB: Euro PEDALS: TBC SEAT: BOX Echelon GEARING: 42/16 WEIGHT: TBC ###section### Product Highlights Expert sized BMX bike. Designed for the needs of racers who are 5ft" - 5ft 4" (150cm - 165cm) A BMX race specific bike perfect for racers who want to take it to the next level Lightweight aluminium construction Strong responsive V-brake Durable double wall rims ###shogun-image-section###
The 2021 GT Speed Series frame is stronger, stiffer and better looking than ever before! With double wall rims , aftermarket tyres from Kendra, and sealed bearings all round, the GT Speed Series is ready for whatever the track can through at it. ###section### Product Specs FRAME MATERIAL: 6061 T6 Aluminium, Alloy Formed and Butted Speed Metal Tubes WHEEL SIZE: 20" TOP TUBE LENGTH: 18.5" CHAIN STAY LENGTH: 13.19" HEAD TUBE ANGLE: 73° SEAT TUBE ANGLE: 70° FORKS: GT BMX Junior Race, 6061 AL 1” Steerer, 3/8” Dropouts BARS: GT Speed Alloy 4”H x 24”W, 8° Back, 2° Up STEM: GT Top Load, Cold Forged 1”, 40mm HEADSET: 1” Integrated Design, 45X45 Degree Sealed Bearings BRAKE MOUNTS: Welded BRAKES: Promax MV-87, 85mm Cold Forged AL Arms, Mini V-Type FRONT HUB: GT Speed Series, Alloy CNC Body, Sealed Bearings, 28h, 3/8” Female Allen Bolts FRONT RIM: Alloy Double Wall, 28h REAR HUB: GT Speed Series Cassette, Alloy CNC body, 5 Sealed Bearings, 3 Pawl Cassette, 28h, 3/8” Allen Bolts REAR RIM: Alloy Double Wall, 28h TYRES: Kenda Kompact Pro Race, 20 x 1-1/8” SPROCKET: 40T AL CNC Chain Ring CRANKS: GT Forged Alloy 2pc., 155mm Arms, 24mm Hollow/ Alloy Spindle BB: Euro PEDALS: TBC SEAT: BOX Echelon GEARING: 40/16 WEIGHT: TBC ###section### Product Highlights Junior sized BMX bike. Designed for the needs of racers who are 4ft 6" - 5ft 1" (138cm - 155cm) A BMX race specific bike great for those riders just getting started Lightweight aluminium construction Strong responsive V-brake Durable double wall rims ###shogun-image-section###
The 2021 GT Speed Series frame is stronger, stiffer and better looking than ever before! With double wall rims , aftermarket tyres from Kendra, and sealed bearings all round, the GT Speed Series is ready for whatever the track can through at it. ###section### Product Specs FRAME MATERIAL: 6061 T6 Aluminium, Alloy Formed and Butted Speed Metal Tubes WHEEL SIZE: 20" TOP TUBE LENGTH: 16" CHAIN STAY LENGTH: 12.13" HEAD TUBE ANGLE: 72° SEAT TUBE ANGLE: 70° FORKS: GT BMX Junior Race, 6061 AL 1” Steerer, 3/8” Dropouts BARS: GT Speed Alloy 1”H x 20”W, 8° Back, 2° Up STEM: GT Top Load, Cold Forged 1”, 40mm HEADSET: 1” Integrated Design, 45X45 Degree Sealed Bearings BRAKE MOUNTS: Welded BRAKES: Promax MV-87, 85mm Cold Forged AL Arms, Mini V-Type FRONT HUB: GT Speed Series, Alloy CNC Body, Sealed Bearings, 28h, 3/8” Female Allen Bolts FRONT RIM: Alloy Double Wall, 28h REAR HUB: GT Speed Series Cassette, Alloy CNC body, 5 Sealed Bearings, 3 Pawl Cassette, 28h, 3/8” Allen Bolts REAR RIM: Alloy Double Wall, 28h TYRES: Kenda Kompact Pro Race, 20 x 1-1/8” SPROCKET: 38T AL CNC Chain Ring CRANKS: GT Forged Alloy 2pc., 127mm Arms, 24mm Hollow/ Alloy Spindle BB: Euro PEDALS: TBC SEAT: BOX Echelon GEARING: 38/16 WEIGHT: TBC ###section### Product Highlights Mini size. Designed specifically for the smallest racers. Approx 4ft 2" - 4ft 10" (127cm - 148cm) A great BMX race inspired kids BMX bike Lightweight aluminium construction Strong responsive V-brake Durable double wall rims ###shogun-image-section###
The 2021 GT Speed Series frame is stronger, stiffer and better looking than ever before! With double wall rims , strong chromoly forks, and sealed bearings all round, and Promax hydro disk brakes, the GT Speed Series is ready for whatever the track can through at it. ###section### Product Specs FRAME MATERIAL: 6061 T6 Aluminium, Alloy Formed and Butted Speed Metal Tubes WHEEL SIZE: 24" TOP TUBE LENGTH: 21.75" CHAIN STAY LENGTH: 15.43" HEAD TUBE ANGLE: 73° SEAT TUBE ANGLE: 70° FORKS: GT BMX Pro Race, 100% Cr-Mo 1 1/8” Steerer, Tapered Legs, 3/8” Dropouts BARS: GT Speed Cr-Mo 8.375”H x 29”W, 8° Sweep, 4° Up, Taper Cross Bar STEM: Promax Impact Top Load, 53mm HEADSET: 1-1/8”-1.5” Taper Integrated Design, 45X45 Degree Sealed Bearings BRAKE MOUNTS: Welded BRAKES: Promax Hydro Disc Rear, 140mm Rotor (Rear Only) FRONT HUB: GT Speed Series, Alloy CNC Body, Sealed Bearings, 28h, 3/8” Female Allen Bolts FRONT RIM: Alloy Double Wall, 36h REAR HUB: GT Speed Series Disc Cassette, Alloy CNC body, 4 Sealed Bearings, 6 Pawl 72point Alloy Shimano Cassette, 36h, 3/8” Female Allen Bolts w/ Alloy Washers REAR RIM: Alloy Double Wall, 36h TYRES: Kenda Konversion Pro Race, 24 x 1.75” SPROCKET: 41T AL CNC Chain Ring CRANKS: GT Forged Alloy 2pc., 180mm Arms, 24mm Hollow/ Cr-Mo Spindle BB: BB86 PEDALS: TBC SEAT: BOX Echelon GEARING: 41/18 WEIGHT: TBC ###section### Product Highlights Cruiser BMX Race bike with larger 24" wheels. A BMX race specific bike perfect for racers who want to take it to the next level Lightweight aluminium construction Rear disc brake Tapered headtube ###shogun-image-section###