1999 GT Speed Series. U.S.A made XL Speedes 6061-T6 aluminum frame with Box chainstays. U.S.A. made Precision chain adjusters. New threadless full CrMo GT Stiletto fork with inverted GT Piston Stem. GT CNC'ed aluminum chainwheel. GT 3-piece aluminum crank with aluminum spindle and sealed-bearing BB. GT Rhythm System wheels. GT AA Pro tires. GT CrMo 4-piece pro handlebar. Dyno Lip grips.
USA T-6 Frame
GT Alloy 3pc Cranks
GT Rhythm System Alloy Rims
To use the BMX SerialFinder start typing the whole serial into the search bar at the top of the page, or use the Advanced Search page. Based on your entry, a filtered list of possible bikes that match your serial year and month will appear.
GT BMX serial numbers.
There are a number of possible serial sequences depending on where the frame was made.
Made in the USA The first character is the month 1 to 12 = January to December. After the month is year of production. 98 = 1998, 99 = 1999. Production from around October 1998 through to September 1999. Most frames also had a model abreviation stamped next to the serial.
Example: 69900000
All factories had lengthy production lead times before they were delivered and sold in bike shops around the world. Depending on where the frames were made, this may have been around 3-6 months.
