Distinguishing features
Diamondback Apex made around the year 1991. Primarily red frame with small black stripes, yellow lettering of "DIAMONDBACK" and "apex", blue diamond shapes, and blue "DB." Hybridized to include flat narrow wheels with side tread for leaning turns. Black Avenir bullhorn style handlebars that point forward and inward. Black Avenir seat-post with black/grey Cloud9 seat. Black Shimano brake handles and shifters. May have black fenders depending on season. Serial code is located on the bottom side of the lowest part of the frame, near the pedals.