The Shimano Speed Sensor Unit STEPS E-MTB is a dedicated speed sensor designed specifically for Shimano STEPS-equipped electric mountain bikes. Mounted discreetly on the frame and working together with a magnet on the wheel, it continuously monitors your speed so the motor system can deliver smooth, natural assistance. By providing accurate speed data, it helps ensure that your e-MTB complies with local regulations on assisted speed limits while still giving you the powerful support and responsive feel that Shimano STEPS systems are known for.
This sensor unit is engineered to withstand the demanding conditions of off-road riding, from mud and dust to wet weather and rough terrain. Its compact design integrates cleanly with modern e-MTB frames, reducing the risk of damage from rocks or trail debris. Installation is typically straightforward for mechanics familiar with Shimano STEPS systems, making it a practical replacement or upgrade component. Whether you are restoring full functionality to a well-used e-MTB or completing a new build, the Shimano Speed Sensor Unit STEPS E-MTB is an essential part of keeping your motor assistance precise, reliable, and ready for every ride.