{"product_id":"e-bike-hall-effect-speed-sensor-502f-3144-pcb-rpm-sensor","title":"E-Bike Hall Effect Speed Sensor 502F 3144 PCB RPM Sensor","description":"\u003ch2\u003eE-Bike Hall Effect Speed Sensor 502F \/ 3144 – PCB Board RPM Sensor for Electric Bike Controllers\u003c\/h2\u003e\n\u003cp\u003eKeep your electric bike's controller running accurately with this high-quality \u003cstrong\u003eHall Effect Speed Sensor (502F \/ 3144)\u003c\/strong\u003e. Mounted directly on a compact green PCB board, this sensor detects magnetic field changes to deliver precise RPM and speed readings to your e-bike controller — ensuring smooth, responsive performance on every ride.\u003c\/p\u003e\n\u003cp\u003eWhether you're replacing a worn-out sensor or upgrading your e-bike's drivetrain electronics, this drop-in compatible PCB sensor is a reliable, cost-effective solution for most standard electric bike controllers.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel Compatibility:\u003c\/strong\u003e 502F \u0026amp; 3144 Hall Effect sensor types\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Accurate RPM and speed signal detection for e-bike motor controllers\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePCB Form Factor:\u003c\/strong\u003e Compact green PCB board for easy installation and secure mounting\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Pressure Rated:\u003c\/strong\u003e Designed for reliable operation under demanding electrical conditions\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect Replacement:\u003c\/strong\u003e Compatible with a wide range of electric bike controllers using standard Hall sensor pinouts\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e 1 × PCB Hall Effect Speed Sensor\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Green\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat Is a Hall Effect Sensor?\u003c\/h3\u003e\n\u003cp\u003eA Hall Effect sensor detects changes in a magnetic field and converts them into an electrical signal. In electric bikes, it is used inside the motor or controller to monitor rotor position and RPM, allowing the controller to manage power delivery and speed with precision.\u003c\/p\u003e\n\n\u003ch3\u003eWho Is This For?\u003c\/h3\u003e\n\u003cp\u003eThis sensor is ideal for e-bike mechanics, DIY electric bike builders, and riders who maintain their own controllers. It is a direct replacement for worn or faulty 502F or 3144 Hall sensors found in most brushless DC motor controllers.\u003c\/p\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePlease allow a 2%–3% dimensional tolerance due to manual measurement. Dimensions shown are for reference only.\u003c\/li\u003e\n  \u003cli\u003eActual product color may vary slightly from images due to differences in monitor display settings.\u003c\/li\u003e\n  \u003cli\u003eMade in Mainland China.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/360-bicycle-chain-cleaner-tool-gear-cleaning-kit\"\u003e360° Bicycle Chain Cleaner Tool | Bike Gear Cleaning Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What e-bike controllers are compatible with the 502F \/ 3144 Hall Effect speed sensor?\u003c\/h4\u003e\n\u003cp\u003eA: This Hall Effect speed sensor is compatible with most standard brushless DC electric bike controllers that use 502F or 3144-type Hall sensors. These are among the most common Hall sensor pinout configurations found in Chinese-manufactured e-bike controllers. Always verify your controller's Hall sensor specifications before purchasing.\u003c\/p\u003e\n\u003ch4\u003eQ: How do I install the PCB Hall Effect speed sensor on my e-bike controller?\u003c\/h4\u003e\n\u003cp\u003eA: Installation involves identifying the Hall sensor slot on your e-bike controller's PCB, removing the faulty sensor, and soldering or plugging in the new 502F \/ 3144 PCB sensor in the correct orientation. If you are not experienced with electronics, we recommend consulting a qualified e-bike technician for installation.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this sensor suitable for both RPM monitoring and speed detection?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The Hall Effect sensor detects changes in the magnetic field generated by the motor's rotating magnets, producing a signal pulse that the e-bike controller uses to calculate both RPM and wheel speed accurately.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What e-bike controllers are compatible with the 502F \/ 3144 Hall Effect speed sensor?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This Hall Effect speed sensor is compatible with most standard brushless DC electric bike controllers that use 502F or 3144-type Hall sensors. These are among the most common Hall sensor pinout configurations found in Chinese-manufactured e-bike controllers. Always verify your controller's Hall sensor specifications before purchasing.\"}}, {\"@type\": \"Question\", \"name\": \"How do I install the PCB Hall Effect speed sensor on my e-bike controller?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Installation involves identifying the Hall sensor slot on your e-bike controller's PCB, removing the faulty sensor, and soldering or plugging in the new 502F \/ 3144 PCB sensor in the correct orientation. If you are not experienced with electronics, we recommend consulting a qualified e-bike technician for installation.\"}}, {\"@type\": \"Question\", \"name\": \"Is this sensor suitable for both RPM monitoring and speed detection?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The Hall Effect sensor detects changes in the magnetic field generated by the motor's rotating magnets, producing a signal pulse that the e-bike controller uses to calculate both RPM and wheel speed accurately.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"E-Bike Hall Effect Speed Sensor 502F 3144 PCB RPM Sensor\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/products\/e-bike-hall-effect-speed-sensor-502f-3144-pcb-rpm-sensor\"}]}\u003c\/script\u003e","brand":"Axl","offers":[{"title":"one size","offer_id":44165295865943,"sku":"14:29#one size","price":10.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/6008\/7383\/files\/S81403cf57cdb40868da8c50620e54d84Y.webp?v=1786713090","url":"https:\/\/axlcustomersupport.com\/products\/e-bike-hall-effect-speed-sensor-502f-3144-pcb-rpm-sensor","provider":"Axl","version":"1.0","type":"link"}