The 1990 Mongoose Decade is a competition freestyle machine. It is a handmade Chromoly frame and fork. It is equipped with state-of-the-art components. Available in two versions with Pro Class 48 spoke wheels or OGK nylon mags. Comes in Red, Grey or classic chrome.
Headset Size
1"
Seatpost Size
22.6mm
Top Tube Size
unknown
Original Colours
LY89XX00000 LY90YY00000
Made in Taiwan.
The first two numbers in the serial indicates year of production. 89 = 1989, 90 = 1990. The third and fourth numbers (as shown in the examples above) indicate production Month. XX = 05 to 12 May to Dec. YY = 01 to 04 Jan to April. For all serial number sequence explanations, see the mid-school serial guide page.
Mid School Serial Guide
Bikes made in Taiwan usually had an 6-9 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.
