1999 GT Power Series 1.0. Low profile 6061-T6 aluminum frame * Threadless CrMo GT fork, 1-1/4-inch blades, 1-1/8 steering tube with inverted GT Piston stem. Aluminum GT platform pedals. GT CNC'ed aluminum chainwheel. GT Mohawk high-flange sealed-bearing hub. GT AA Pro tires. CrMo GT 4-piece pro handlebar. Dyno Lip grips. Aluminum GT micro adjust seatpost.
Top Tube Size
Made in Taiwan.
Third and Fourth numbers in the serial indicate year of production. 1998 or 1999. MM in the example above indicates production month
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.