You’ll have a hard time finding a dirt bike with more value and more capabilities than the Backtrail X3. Three tube Cromo Backtrail frame. 39x 4 compact drive gearing. With ACS fat 14T freewheel. Cromo Straight Shooter fork. Full Cromo Slim Bars. Cromo freewheel. Forged Chromo HFC 3-piece cranks.
Top Tube Size
Made in Taiwan.
Fourth digit in the serial indicates year of production (2001 or 2002). X in the example above indicates production Month (E to L - May to Dec) . Y in the example above indicates production Month (A to E - Jan to May). B3 in the example above indicates Backtrail X3.
Bikes made in Taiwan usually had an 6-8 month production and shipping timeline before they were sold in bike shops around the world. Around April/May of any year, factories would usually switch production to making models for the following year.