GT Mach One Expert 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 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 1-1/8 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, 6.5" High x 26" Wide, 8deg Back, 4deg Up, 19mm O.D. Cross Bar Grips: GT Statement Cranks: GT Alloy forged 3 Piece 165mm, square taper Bottom Bracket: Threaded square type Pedals: GT Mini size platform, PP material Chainring: BCD100, 38T Steel Chainring, 5-bolt Chain: KMC S1 Front Hub: Steel body (28H). 3/8" axle Rear Hub: Steel flip flop thread-on body, freewheel, (28H), 3/8" axle 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: Bolt on Brake Lever: Alloy V-type Brakes: Alloy V-type Extras: - Color: Yellow Weight: - Geometry: Toptube Length: 19.5" Chainstay Length: 13.62" Headtube Angle: 73deg Seattube Angle: 70deg Bottom Bracket Height: 11.5" Recommended Sizing Guide: 4'8"-5'4" Note: To ensure that every component on your bicycle is working properly, we rec...