firm orientation with the front support 19 such that the handlebars do not sway back and forth when the user is alternating weight between the left and right handlebars the oblique handlebar support 17 slides inside the bicycle front support 19 such that the height of the handlebars may be infinitely adjusted across the range of adjustments defined by the length of the handlebar support 17 the height of the handlebars may be set specifically by means of the ruler scale 21 as shown on fig3 rather than using a pop pin mechanism which allows only for the seat or handlebar adjustments to be made incrementally according to the spacing of the preset holes both the seat 2 and handlebars 3 in the present invention may be infinitely adjusted in a fore and aft position over the broad range of height and horizontal adjustments as measured by the handlebar ruler scale 21 and the seat scale 22 as best shown in fig3 and 3a the vertical adjustment of the handlebars may be made using a threaded quick release lever 39 u2032 similar to the quick release lever 39 used for the vertical seat adjustment this quick release lever 39 u2032 also has a threaded shaft 51 a threaded spacer 23.