eBike external speed sensor

eBike External Speed Sensor. Reliable and accurate speed sensor for your eBike conversion. Compatible with most controllers and LCD displays, provides real-time speed data with simple magnet-based installation. Key Features: High Accuracy speed detection. Waterproof sealed design. Universal Compatibility. Easy Installation: mount sensor, attach magnet to spoke, keep under 5mm gap. Specs: 3-Wire (Red:+, Black:GND, White:Signal), SM-3A Male Plug, 2m cable, external magnet mount. Installation: Mount sensor on frame, attach magnet to spoke, gap under 5mm, connect 3-wire plug.