1997 Mongoose Villain Mag BMX has the Mongoose Hi Ten freestyle frame, Mongoose hi-tensile steel fork with 1" blades and Mongoose Freestyle Dupont Zytel tuff mags w coaster rear brake. Model Note: As above - the original 1997 catalogue listed the Villain Mag as Hi-Ten frame w 1" fork blades, coaster brake tuff wheels by Dupont Zytel, MX1000 brakes. However, the photo and final production bikes featured the same Villain CR-MO downtube, Bulldog brakes with no coaster brake tuffs (final production tuffs were made by Skyway).
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Made in Taiwan.
Fourth Letter in the serial indicates year of production. F=1996 or G=1997. X in the example above indicates production Month (E to L - May to Dec). Y in the example above 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.