The 1988 GT Vertigo ST. We just pulled a cheap trick on the competition by introducing GT's most affordable bike – the Vertigo ST. From it's functional Performer freameset all the way to it's odyssey brakes and alloy 48's, the new Vertigo ST screams serious freestyle. If life on the streets seems a little dull, fire things up on the all-new '88 Vertigo ST.
Headset Size
1"
Seatpost Size
22.2
Top Tube Size
Unknown
Original Colours
GH87XX0000 GH88XX0000
Made in Taiwan.
The first two numbers in the serial indicates year of production. 1987 or 1988. XX in the example above indicates production month.
Bikes made in Overseas 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.
