Two-wheeler e.g. bicycle, has front wheel with caster, which is more than forty five millimeter and less than ninety millimeter in deflected condition of fork, and frame with steering tube, which is inclined against horizontal around angle

摘要

The two-wheeler (1) has a rear wheel (3) and a front wheel (2), which has a caster (N) that is more than 45 millimeter (mm) and less than 90 mm in a deflected condition of a suspension fork. A frame (4) has a steering tube (8), which is inclined against a horizontal around a steering head angle, which is more than 20 degrees and less than 30 degrees. The steering tube is connected to the front wheel and a handlebar, and the diameter of the front wheel and the rear wheel amounts to 17 inches and 16 inches, respectively.