his year's Expert Comp is radically improved to exceed the demands of today's aspiring BMX hero. Our most popular Mongoose is built around our exclusive Monostay chasis with a 4130 chromoly mainframe and chromoly forks. The 1991 Mongoose Expert Comp features Mongoose's revolutionary new padded Kraton stem--a boon to anyone who's ever bashed their knee on a regular gooseneck. Stopping the Expert Comp is easy, thanks to its Dia-Compe Bulldog brakes and Tech-3 alloy lever. Other race-ready features include a set of Araya MP-20 alloy rims with Mongoose skinwall tires, new Mongoose composite pedals, a quick-change alloy chainring, and a supertough Velo saddle.
Headset Size
1"
Seatpost Size
26.0mm
Top Tube Size
unknown
Original Colours
HFAX000000 HFBY000000
Made in Taiwan.
Third digit in the serial indicates year of production. A = 1991 or B = 1992. The fourth digit in the example above indicates production Month. X = E to L - May to Dec. Y = A to D - 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.