{"product_id":"bryton-smart-speed-cadence-dual-sensor-magnetless-ant-bluetooth-270-hour-battery","title":"Bryton Smart Speed \u0026 Cadence Dual Sensor – Magnetless, ANT+ \u0026 Bluetooth, 270-Hour Battery","description":"\u003cp\u003eThe \u003cstrong\u003eBryton Smart Speed \u0026amp; Cadence Dual Sensor\u003c\/strong\u003e measures both wheel speed and pedalling cadence from a single unit, transmitting both data streams simultaneously via \u003cstrong\u003eANT+ and Bluetooth 4.0\u003c\/strong\u003e to compatible bike computers, smartwatches, and smartphones. It's the practical alternative to buying the \u003ca href=\"\/products\/bryton-smart-speed-sensor\"\u003eSmart Speed Sensor\u003c\/a\u003e and \u003ca href=\"\/products\/bryton-smart-cadence-sensor\"\u003eSmart Cadence Sensor\u003c\/a\u003e separately — one sensor, one battery, one installation, covering both metrics. Speed and cadence are two of the most useful cycling metrics: speed data from a wheel sensor is more consistent than GPS alone (particularly in tunnels, urban environments, and at low speeds), while cadence data helps you optimise pedalling efficiency and avoid grinding low gears.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003emagnetless design\u003c\/strong\u003e detects both wheel rotation and crank rotation without needing separate magnets, making installation straightforward. The sensor mounts to the crank arm with cable ties (additional holes provided for universal fit across all crank and wheel sizes). The \u003cstrong\u003eCR2032 battery\u003c\/strong\u003e provides up to \u003cstrong\u003e270 hours of active use\u003c\/strong\u003e and 300 days of standby, and is easily replaceable. The sensor is \u003cstrong\u003eIPX7 waterproof\u003c\/strong\u003e (1 metre for 30 minutes) and operates from \u003cstrong\u003e-10°C to 60°C\u003c\/strong\u003e, making it suitable for all-weather and all-season riding. For riders who also want heart rate monitoring, the \u003ca href=\"\/products\/bryton-smart-heart-rate-monitor-sensor\"\u003eBryton Smart Heart Rate Monitor\u003c\/a\u003e is available separately.\u003c\/p\u003e\n\n\u003cp\u003eBrowse the full \u003ca href=\"\/collections\/bryton\"\u003eBryton range\u003c\/a\u003e or our \u003ca href=\"\/collections\/computers-gps\"\u003ecomputers and GPS collection\u003c\/a\u003e for compatible Bryton bike computers.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It's Good For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSpeed and cadence from a single sensor — one unit, one battery, one installation\u003c\/li\u003e\n\u003cli\u003eMagnetless design — no magnet alignment required, fits all wheel and crank sizes\u003c\/li\u003e\n\u003cli\u003eANT+ and Bluetooth 4.0 — compatible with most bike computers, smartwatches, and smartphones\u003c\/li\u003e\n\u003cli\u003e270 hours active battery life on a standard CR2032 cell — 300 days standby\u003c\/li\u003e\n\u003cli\u003eIPX7 waterproof — suitable for all-weather riding\u003c\/li\u003e\n\u003cli\u003eOperates from -10°C to 60°C — suitable for all-season use\u003c\/li\u003e\n\u003cli\u003eMore economical than buying speed and cadence sensors separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat It's NOT Good For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRiders who only need one metric — if you only need speed, the \u003ca href=\"\/products\/bryton-smart-speed-sensor\"\u003eSmart Speed Sensor\u003c\/a\u003e is available separately; if you only need cadence, the \u003ca href=\"\/products\/bryton-smart-cadence-sensor\"\u003eSmart Cadence Sensor\u003c\/a\u003e is available separately\u003c\/li\u003e\n\u003cli\u003eHeart rate monitoring — use the \u003ca href=\"\/products\/bryton-smart-heart-rate-monitor-sensor\"\u003eBryton Smart Heart Rate Monitor\u003c\/a\u003e for heart rate data\u003c\/li\u003e\n\u003cli\u003eDevices without ANT+ or Bluetooth 4.0 support\u003c\/li\u003e\n\u003cli\u003eSustained water immersion beyond IPX7 rating\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs it compatible with non-Bryton devices?\u003c\/strong\u003e\u003cbr\u003eYes — the sensor transmits via standard ANT+ and Bluetooth 4.0 protocols, making it compatible with the vast majority of bike computers, smartwatches, and cycling apps that support speed and cadence sensors, including Garmin, Wahoo, and others. It is not limited to Bryton devices.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow does a single sensor measure both speed and cadence?\u003c\/strong\u003e\u003cbr\u003eThe dual sensor uses an accelerometer that detects two different types of rotation: the faster rotation of the wheel hub (for speed) and the slower rotation of the crank arm (for cadence). The sensor's firmware distinguishes between the two rotation rates and transmits them as separate data streams to your device simultaneously.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs this better value than buying the speed and cadence sensors separately?\u003c\/strong\u003e\u003cbr\u003eFor most riders, yes — the dual sensor costs less than buying the \u003ca href=\"\/products\/bryton-smart-speed-sensor\"\u003eSmart Speed Sensor\u003c\/a\u003e and \u003ca href=\"\/products\/bryton-smart-cadence-sensor\"\u003eSmart Cadence Sensor\u003c\/a\u003e separately, and requires only one installation and one battery to maintain. The main reason to buy separately is if you want to move one sensor between bikes while keeping the other fixed, or if you only need one of the two metrics.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow do I install it?\u003c\/strong\u003e\u003cbr\u003eThe dual sensor mounts to the crank arm using the included cable ties — no tools or magnets required. Position the sensor on the crank arm, secure with cable ties through the additional mounting holes, and pair to your device via ANT+ or Bluetooth. Enter your wheel circumference in your device settings for accurate speed and distance calculation.\u003c\/p\u003e","brand":"Bryton","offers":[{"title":"Black","offer_id":46564292821167,"sku":"BR561104000071","price":36.47,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/51441-pm.jpg?v=1770988220","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/bryton-smart-speed-cadence-dual-sensor-magnetless-ant-bluetooth-270-hour-battery","provider":"Swinnerton Cycles","version":"1.0","type":"link"}