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 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 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: 20" TOP TUBE LENGTH: 21.25" CHAIN STAY LENGTH: 14.92" HEAD TUBE ANGLE: 72° SEAT TUBE ANGLE: 72° 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 Kompact Pro Race 20 x 1.75” SPROCKET: 44T AL CNC Chain Ring CRANKS: GT Forged Alloy 2pc., 175mm Arms, 24mm Hollow/ Cr-Mo Spindle BB: BB86 PEDALS: TBC SEAT: BOX Echelon 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 Rear disc brake Tapered headtube ###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###
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: 20" TOP TUBE LENGTH: 21.75" CHAIN STAY LENGTH: 15.43" HEAD TUBE ANGLE: 72° SEAT TUBE ANGLE: 72° 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 Kompact Pro Race 20 x 1.75” SPROCKET: 44T AL CNC Chain Ring CRANKS: GT Forged Alloy 2pc., 175mm Arms, 24mm Hollow/ Cr-Mo Spindle BB: BB86 PEDALS: TBC SEAT: BOX Echelon 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 Rear disc brake Tapered headtube ###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: 20" TOP TUBE LENGTH: 20.75" CHAIN STAY LENGTH: 14.92" HEAD TUBE ANGLE: 72° SEAT TUBE ANGLE: 72° 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 Kompact Pro Race 20 x 1.75” SPROCKET: 44T AL CNC Chain Ring CRANKS: GT Forged Alloy 2pc., 175mm Arms, 24mm Hollow/ Cr-Mo Spindle BB: BB86 PEDALS: TBC SEAT: BOX Echelon 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 Rear disc brake Tapered headtube ###shogun-image-section###
The most Extravagant Wheel options we could create are now available as an instant custom! This wheel consists of a Profile Elite Female front hub with optional Titanium Volcano bolt upgrade Laced onto a G-Sport Ribcage rim using Rainbow Titanium Source BMX spokes with Brass nipples. The Titanium bolt option will need to be Added to your basket as this will affect your total price. The Weight saving on this wheel when using the Titanium spokes & front female titanium bolts works out roughly 90grams / 3.17oz lighter than standard chromoly bolts and steel spokes. Weight: 902g / 31oz
Hand built right here in Sourcebmx. This custom front BMX wheel uses the proven Profile mini front hub inserted into an Alienation Skylark Aero rim using high quality Source stainless steel spokes. NOTE: You can choose the type of female bolts you want in your hub at checkout or even of the titanium upgrades. SPECS: Hub: Profile Mini Front Black Axis: female 10 mm (Choose bolts at checkout!) Circle: Alienation Sky Lark Black Spokes: Source Black Stainless Steel Nipples: Source Black Brass Extras: Source Rim Tape
Hand built right here at Sourcebmx. This custom front BMX wheel uses the tried and tested Profile mini front hub laced into a BSD Nasa rim using high quality straight gauge Source stainless spokes. NOTE: You can choose what type of female bolts you want in your hub at checkout or even upgrade to the titanium versions SPECS: Hub: Profile Mini Front Black Axle: Female (Confirm Bolt Options at Checkout) Rim: BSD Nasa Rim Black Spokes: Source Stainless Black Nipples: Source Brass Nipples Black Extras: Source Rim Tape
The most Extravagant Wheel options we could create are now available as an instant custom! This wheel consists of a Profile Mini Female front hub with Optional Titanium female bolt upgrade Laced onto a G-Sport Ribcage rim using Rainbow Titanium Source BMX spokes with Brass nipples. The Titanium bolts will need to be Added to your basket as this will affect your total price. The Weight saving on this wheel when using the Titanium spokes & front female titanium bolts works out roughly 90grams / 3.17oz lighter than standard chromoly bolts and steel spokes. Weight: 912g / 32oz
Hand built right here at Sourcebmx. This custom front BMX wheel uses the tried and tested Profile mini front hub laced into a Cinema 333 rim using high quality straight gauge Source stainless spokes. NOTE: You can choose what type of female bolts you want in your hub at checkout or even upgrade to the titanium versions SPECS: Hub: Profile Mini Front Black Axle: Female (Confirm Bolt Options at Checkout) Rim: Cinema 333 Black Spokes: Source Stainless Black Nipples: Source Brass Nipples Black Extras: Source Rim Tape
Hand built right here at Sourcebmx. This custom front BMX wheel uses the tried and tested Profile mini front hub laced into a BSD Aero Pro rim using high quality Double Butted Rainbow Oilslick Source spokes. NOTE: You can choose what type of female bolts you want in your hub at checkout or even upgrade to the titanium versions SPECS: Hub: Profile Mini Front Polished Axle: 10mm Female (Choose bolts at Checkout!) Rim: BSD Aero Pro Rim Black Spokes: Source Double Butted Rainbow Nipples: Source Brass Nipples Black Extras: Source Rim Tape