This module allows you to recalibrate OEM electronic speedometers when changing tire size, pulley, or final gearing
Easy installation - simply plugs in between the pickup sensor and the stock wiring harness
Allows small step corrections of less than 1 mph
Correction range of 50% to 200%
No power required to maintain calibration when the bike is parked
Two sealed buttons allow easy resetting of the speedometer reading while the bike is in motion
A must for custom builders using electronic speedometers
