1999 GT Speed Series Team. U.S.A. made XL Speed Series 6061-T6 Easton butted aluminum frame with Box chainstays. U.S.A. made Precision chain adjusters. Integrated seat clamp. New threadless Reynolds 531 butted GT Stiletto fork, 1-1/4 oval blades, 1-1/8 steering tube with U.S.A.made inverted GT Piston stem. U.S.A. made GT CNC'ed aluminum chainwheel. GT Rhythm System wheels. New aluminum GT platform pedals. New CrMo GT tapered pro handlebar. New Dyno Lip grips. GT micro adjust aluminum seatpost.
Headset Size
1 1/8"
Seatpost Size
Unknown
Top Tube Size
20.25
Original Colours
MM980000 MM990000
Made in USA.
Third and fourth digits in the serial indicate year of production. 1998 or 1999. MM in the example above indicates production month
Bikes made in USA usually had an 4-6 month production and shipping timeline before they were sold in bike shops around the world. Bikes welded in the second half of the year would normally be made for the following year.
For more detail on what the serial number means on your mid school GT BMX, check out our easy-to-follow serial number guide.