Haltech - Linear Position Sensors - 1/2" - 250mm TravelDescription Haltech Linear Position Sensors Most commonly used as shock travel sensors, the Linear Position Sensors can also be used to measure gearbox shaft position, differential angle, or in any application that requires linear position data. In short, these simple sensors can make your ride not just faster but also more predictable. Used as shock travel sensors, Haltechs Linear Position Sensors can measure and log the speed and distance of your