The ORBEA TORQUE/CADENCE SENSOR BB MAHLE X20 PF46-30 is a dedicated bottom bracket sensor unit designed for e-bikes equipped with the Mahle X20 drive system. Mounted in the PF46-30 bottom bracket area, it precisely measures both your pedaling torque and cadence, allowing the motor to deliver smooth, natural-feeling assistance. By continuously monitoring how hard and how fast you pedal, the system can respond instantly, providing support that feels intuitive and closely matched to your riding style.
This sensor is ideal as a replacement or upgrade component for maintaining the performance and reliability of your Mahle X20-powered e-bike. A correctly functioning torque and cadence sensor improves efficiency, extends battery range, and enhances overall ride comfort, especially on climbs and during stop‑and‑go urban riding. Designed to integrate cleanly with compatible frames and electronics, it helps keep your e-bike running at its best, ensuring consistent power delivery and a refined, responsive riding experience every time you head out.