Speedo Tuner Speedometer Corrector KA-003 Everyone deserves an accurate speedometer to prevent breaking the law and hurting the value of their motorcycles. Until now the only solution was limited to a few products that require complicated mathematical formulas to calculate an adjustment to offset a gearing or tire/wheel change, but it still carried the original factory offset along with it. Works on most any bike with an electronic speedometer No math required, no guessing Simple 3-step procedure to regain accurate speedometer and odometer readings within 1%