The 1990 Haro Group 1B features chromoly main tube construction. Light weight alloy rims. Fusion Twin-Torc seat clamp. Haro uni-directional chainring and proven Monotrac frame with Mike King geometry. Built to go fast!
Headset Size
1"
Seatpost Size
22.2mm
Top Tube Size
20 1/4"(?)
Original Colours
A89X00000 A90Y00000
Made in Taiwan.
First 2 numbers in the serial indicates year of production (1989 or 1990). 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 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.
