GT Mach One BMX Bike Description: The GT Mach One BMX bike is complete and ready to race right out of the box. One race is all it takes to plant the seed of wanting a podium finish. Whether you're new to the sport or looking to up your game to the next level, the 2021 Race bikes from GT are a perfect fit. Strong stiff and light, they are built ready to train and secure that win. Specifications: Frame: 6061-T6 Aluminum, Euro Bottom Bracket, Reverse Dropouts Fork: GT BMX Race, Hi-Ten Steel 1" steerer, 3/8" dropouts Headset: 1-1/8" integrated 45 x 45 degree sealed bearings Stem: GT Top Load 1" 40mm Bars: GT Race, Steel, 4" High x 24" Wide, 8deg Back, 2deg Up, 19mm O.D. Cross Bar Grips: GT Statement Cranks: GT Alloy forged 3 Piece 152mm, square taper Bottom Bracket: Threaded square type Pedals: GT Low Profile FS Platform Design Chainring: BCD100, 38T Steel Chainring, 5-bolt Chain: KMC S1 Front Hub: - Rear Hub: - Cog: 16T freewheel Front Rim: 28H Alloy double Wall Rear Rim: 28H Alloy double Wall Front Tire: Kenda Race, 20 x 1-3/8" Rear Tire: Kenda Race, 20 x 1-3/8" Seat: GT Uni Mini Padded Seat Post: Alloy 22.2 Integrated Seat Clamp: 25.4 Brake Lever: TBA Brakes: Alloy V-type Extras: - Color: Yellow Weight: - Recommended Sizing Guide: 4'6" - 5'1" Note: To ensure that every component on your bicycle is working properly, we recommend that all bikes be assembled by a qualified mechanic. Improper assembly of your bicycle may lead to premature wear or failure of individual components such as headsets, crank assembly and wheels. Failure to do so may void the manufacturer warranty.