The 1989 Haro Group 1b shares the same Mike King inspired Monotrac frameset as our Team Signature with CRMO maintubes. Same trick, tapered 4130 chromoly forks. All new Fusion one-piece chromoly crankset and Twin-torc seatpost clamp. Haro Unidirectional chaining and chromoly seatpost. ACS alloy hubs and aggressive 860 Tangent braking Cheng Shin tires. Sumo 7X alloy rims. Suntour free wheel. Brilliant high polish chrome, black or blue.
Headset Size
1"
Seatpost Size
22.2mm
Top Tube Size
Unknown
Original Colours
88XX0000 89YY0000
Made in Taiwan.
Here's how to check your Haro BMX serial number. First 2 numbers in the serial indicates year of production (1988 or 1989). Numbers indicated by XX in the serial are Month (05 - 12 - May to Dec). YY in the serial indicates production Month (01 to 04 - 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.
