Headset Size
1 1/8"
Seatpost Size
25.4
Top Tube Size
Unknown
Original Colours
H7X00000 H8Y00000
Made in Taiwan.
Second digit in the serial indicates year of production (1997 or 1998). X in the serial indicates production Month. Your serial will have a letter E to L which stands for May to Dec. Y in the serial indicates production Month. Your serial will have a letter A to D which stands for Jan to April.
Bikes made in Taiwan usually had an 8 month production and shipping timeline before they were sold in bike shops around the world. In May of any year, factories would usually switch production to making models for the following year.