The 1985 Mongoose® Expert™ provides all the important performance features and advantages of a premium BMX racing machine... at an affordable price. Start with performance engineered frame with Chromoly Mainframe construction. Add lightweight Pro Class™ Alloy Wheels*, skinwall tires, quick change spider, chromoly freewheel and a high torque 175 mm heat treated steel crank for quick acceleration and responsive, positive handling. Equip it with dual caliper brakes for quick, safe stops and a comfortable, stylish M-1™ Vented nylon saddle. Give it a sparkling, durable chrome plated finish and trim it with red, blue or black accessories, and you've got the Mongoose® Expert™. Quick Change Spider allows a wide range of gearing possibilities. Serrated rear drop outs provide positive rear wheel engagement. Alloy Pro Class™ Wheels* improve performance and style.
Frame
175mm Cranks
Pro Class Rims
To use the BMX SerialFinder start typing the whole serial into the search bar at the top of the page, or use the Advanced Search page. Based on your entry, a filtered list of possible bikes that match your serial year and month will appear. Do not include the individual frame numbers (see below).
Mongoose BMX serial numbers.
The serial number is found under the bottom bracket. The first character is the factory code M = Merida.
Second character is year of production. 4 = 1984, 5 = 1985. Production would have most likely started around May 1984 through to Aplril 1985.
Third character is month of production. A = January, B = Febuary, C = March, D = April, E = May, F = June, G = July, H= August, I = September, J = October, K = November, L = December
Made in Taiwan.
As a general rule, bikes made in Taiwan had around a 8 month production lead timeline before they were delivered and sold in bike shops around the world. Generally around May of each year, factories would switch production to making models for the following year.
