1999 Dyno Nitro. Dyno pro frame featuring CrMo down tube oval seat and chain stays, 3-D dropouts and oversize head and seat tubes. 1-1/8-inch threadless Dyno fork w/1-1/8-inch chisel-cut legs. GT Piston stem. GT spider and chainring with Dyno BB set. GT Wrench cranks. New GT aluminum platform pedals. GT AA Pro tires (1.75 rear and 2.125 front). Dyno expert handlebar. GT padded dropnose saddle. GT/ACS Stealth composite mags. Dyno Kraton Lip grips. Colors available: Dynomite Silver, Red.
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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.