{"product_id":"wahoo-rpm-speed-sensor","title":"Wahoo RPM Speed Sensor","description":"\u003cp\u003eA magnet-less speed sensor that mounts on your wheel hub and reports wheel speed and distance. 7 grams, CR2032 battery good for up to twelve months, IPX7 sealed, and nothing to align.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRead this before ordering if you train indoors.\u003c\/strong\u003e This sensor measures a rotating wheel. It is explicitly not compatible with spin bikes, and it will do nothing useful on a direct drive trainer because your rear wheel is off the bike. If you want indoor data from a spin bike or a direct drive trainer, you want the \u003ca href=\"\/product\/wahoo-rpm-cadence-sensor\"\u003ecadence sensor\u003c\/a\u003e instead.\u003c\/p\u003e\n\u003ch2\u003eWho this suits\u003c\/h2\u003e\n\u003cp\u003eOutdoor riders who want speed and distance without a GPS computer, and riders on wheel-on trainers and rollers where the rear wheel still turns — including the \u003ca href=\"\/product\/kickr-rollr-smart-bike-roller-trainer\"\u003eKICKR ROLLR\u003c\/a\u003e and roller setups like the \u003ca href=\"\/product\/elite-arion-mag-parabolic-rollers\"\u003eElite Arion Mag\u003c\/a\u003e. On those, a speed sensor gives your app something real to work with.\u003c\/p\u003e\n\u003ch2\u003eWho should not buy this\u003c\/h2\u003e\n\u003cp\u003eSpin bike and gym bike owners — Wahoo state clearly it is not compatible. Direct drive trainer users, because there is no rear wheel turning. In both cases the \u003ca href=\"\/product\/wahoo-rpm-cadence-sensor\"\u003ecadence sensor\u003c\/a\u003e is the right part.\u003c\/p\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMagnet-less hub mounted speed sensor\u003c\/li\u003e\n\u003cli\u003eWeight: 7g without mount. Dimensions 32 x 19 x 25mm\u003c\/li\u003e\n\u003cli\u003eBattery: CR2032, up to 12 months\u003c\/li\u003e\n\u003cli\u003eWater rating: IPX7 — 1m for 30 minutes\u003c\/li\u003e\n\u003cli\u003eWireless range: up to 3m\u003c\/li\u003e\n\u003cli\u003eNot compatible with spin bikes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDelivery, warranty and returns\u003c\/h2\u003e\n\u003cp\u003eFree standard UK shipping applies on orders over £50. Dispatched from the UK with tracking, typically within 5–7 business days, with delivery taking 7–10 business days. Supplied brand new with the full manufacturer warranty — see our \u003ca href=\"\/warranty\"\u003ewarranty page\u003c\/a\u003e. Unused items in original packaging can be returned within 30 days via \u003ca href=\"\/returns\"\u003ereturns\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eWill it work on my spin bike?\u003c\/h3\u003e\n\u003cp\u003eNo. Wahoo state it is not compatible with spin bikes. Use the \u003ca href=\"\/product\/wahoo-rpm-cadence-sensor\"\u003ecadence sensor\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eWill it work with my direct drive trainer?\u003c\/h3\u003e\n\u003cp\u003eNot usefully — your rear wheel is removed, so there is nothing to measure. Direct drive trainers report speed themselves.\u003c\/p\u003e\n\u003ch3\u003eWill it work on rollers or a wheel-on trainer?\u003c\/h3\u003e\n\u003cp\u003eYes. The rear wheel still turns, so it reports speed normally.\u003c\/p\u003e\n\u003ch3\u003eDoes it need a magnet?\u003c\/h3\u003e\n\u003cp\u003eNo, and there is nothing to align.\u003c\/p\u003e","brand":"Wahoo","offers":[{"title":"Default Title","offer_id":57053786145092,"sku":"WFRPMSPD","price":29.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0964\/3753\/5044\/files\/rpm-cycling-speed-sensor-1.jpg?v=1785414383","url":"https:\/\/shop.indoorcyclingsolutions.com\/products\/wahoo-rpm-speed-sensor","provider":"Indoor Cycling Solutions","version":"1.0","type":"link"}