The Shimano Speed Sensor Unit STEPS 540mm is a dedicated sensor designed specifically for Shimano STEPS e-bike systems, ensuring accurate and reliable speed measurement on every ride. Mounted near the wheel and working in conjunction with a magnet, it continuously monitors your wheel rotation to provide the drive unit and display with precise speed and distance data. This allows your e-bike motor to deliver smooth, natural assistance that responds correctly to your riding conditions, whether you are commuting, touring, or enjoying weekend adventures.
With a 540mm cable length, this Shimano STEPS speed sensor unit offers flexible routing on a wide range of frame designs, helping mechanics and home builders achieve a clean, secure installation. Built to Shimano’s well-known standards of durability and weather resistance, it is engineered to withstand daily use and variable conditions. Ideal as a replacement part or for completing a new STEPS build, this sensor helps maintain full system functionality, accurate readouts on your display, and consistent motor support, so your e-bike continues to perform exactly as intended.