caliper mounts and the fork lower includes two coaxial holes for accepting the posts 70 of the two caliper mounts to facilitate pivoting of the brake caliper about the common axis of the posts 70 of the two caliper mounts the post 74 may be adapted with threads or other suitable mechanism for retaining the caliper mount in engagement with the brake caliper such as with the nut not shown mentioned above the distance from the axis of the first post 70 to the flush mounting surface 76 of the second post dictates the trail adjustment provided by the caliper mount in the example shown the distance is 1 26 inches when a u201c longer trail u201d adjustment block is used such as when swapping from fig2 to fig4 a correspondingly shorter caliper mount will be used to maintain correct alignment of the pads and rotor the skilled reader will readily appreciate that the various components of the caliper mount are not necessarily shown to any particular scale and that they may be resized and adapted according to the needs of the application at hand for example the two posts need not necessarily be of the same diameter or the post 70 could be made longer than shown and so forth fig9 illustrates one embodiment of a motorcycle 100 equipped with a front end 10 having forks 12 equipped with the.