# Horizon Fitness EX-79 Elliptical RPM Speed Sensor (SS125)
The Horizon Fitness EX-79 Elliptical RPM Speed Sensor is a replacement sensor component identified by part number SS125. It is used with the Horizon Fitness EX-79 elliptical to detect the machine’s RPM, or rotational speed, and provide that information to the equipment’s control or display system. If your elliptical does not register movement or speed correctly, or if the original sensor has failed, this part may help restore the sensor function needed for normal operation.
Product Details and Benefits
This product is an RPM speed sensor made for the Horizon Fitness EX-79 elliptical. The sensor monitors the movement of the machine’s rotating components and supports the equipment’s ability to track speed-related information. Because the sensor connects the mechanical movement of the elliptical with its electronic control system, the correct part number matters when replacing an existing component.
The product name is **Horizon Fitness EX-79 Elliptical RPM Speed Sensor (SS125)**. Its listed SKU and barcode are both **SS125**. The product page also identifies the serial number as **EP546B1107CX00027**.
A correctly matched sensor can help address issues related to missing or inaccurate RPM readings. It may also provide a practical replacement option when the original sensor no longer performs as expected. Rather than replacing the entire elliptical, a compatible sensor allows the affected component to be addressed directly.
Compatibility and Applications
This RPM speed sensor is specifically listed for the **Horizon Fitness EX-79 elliptical**. It is intended for use as an elliptical sensor, not as a general-purpose component for unrelated fitness equipment. The product page categorizes it under treadmill sensors, but the product title identifies the equipment application as the Horizon Fitness EX-79 elliptical.
Use this part when you need an SS125 sensor for an EX-79 machine and the existing component requires replacement. It is suitable for repair work, equipment maintenance, and restoring the speed-sensing function of the elliptical.
Why Choose This Product
The main reason to choose this part is its clear model and part-number identification. The **SS125** designation gives you a specific reference to compare with the sensor currently installed in your machine. Matching the part number can reduce the risk of ordering a component intended for a different Horizon Fitness model.
This product also focuses on one specific repair need: RPM and speed sensing on the EX-79 elliptical. That makes it easier to identify when troubleshooting a machine that does not report movement or speed properly.
Before You Buy
Confirm that your equipment is a **Horizon Fitness EX-79 elliptical** before ordering. Compare the part number on your existing sensor, packaging, or service documentation with **SS125**. Also review the listed serial number, **EP546B1107CX00027**, if it applies to your equipment records.
The product page does not provide dimensions, material details, connector information, installation instructions, package quantity, warranty information, or condition details. Verify those requirements before purchase if they affect your repair. If you are uncertain about compatibility, compare the original sensor carefully or consult a qualified fitness-equipment technician.
