1999 Dyno Zone. Dyno freestyle frame with extra thick 6mm dropouts. Dyno freestyle fork with 1-1/4-inch legs and 6mm dropouts. Dyno CD chainwheel. Dyno Hoop-D tires. Dyno freestyle handlebar. New Dyno aluminum freestyle stem Dyno Drainpipe II seatpost w/GT Piston seatpost clamp. GT padded freestyle saddle. GT Kraton freestyle grips. Dia-Compe Bulldog brakes front and rear. Colors available: CP, Charcoal Grey, Orange Thrust.
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Made in Taiwan.
The second digit in the serial indicates year of production (1998 or 1999). X in the serial indicates production Month (E to L - May to Dec). Y in the serial indicates production Month (A to D - Jan to April).
Bikes made in Taiwan usually had an 5-8 month production and shipping timeline before they were sold in bike shops around the world. Bikes welded in the later months 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.