The 1999 Haro Supra DLX has quickly established a reputation as the standard among dirt bikes. With design input from Ryan Nyquist and a King of Dirt title, this year's version raises that standard even higher. New burly MegaHead tube. 8mm thick dropouts and 1" stays. New Haro MegaNuke 10mm thick chainring. Haro Heffer 3 rims with Maxxis MaxxDaddy tyres. Dia-Compe 990 chainstay mounted U-brake. Haro Jackhammer cromoly bars. New Haro Big Block pedals.
Frame & Fork
CR-MO 3pc Tubular Cranks
Haro Heffer 3 Alloy Rims
To use the BMX serial number finder 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.
Haro BMX serial numbers.
The first two characters SD is the model code. The third J is the factory code. The next character is year of production. 8 = 1998, 9 = 1999. Depending on the factory, production may have started around August 1998 through to July 1999.
After the year is month of production. A to L = January to December.
Example: SDJ8K00000
Made in Taiwan.
As a general rule, bikes made in Taiwan at this time had around a 5 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.
