{"product_id":"rival-axs-left-crank-arm-with-power-meter-spindle","title":"Rival AXS Left Crank Arm With Power Meter Spindle, 172.5mm, 12\/13-Speed, DUB PM Spindle, Aluminum, Black Finish, Left-Side Power Meter For Real Watts Readouts And All-Day Battery Life","description":"\u003cdiv\u003eSingle left crank arm power meter spindle for AXS, 172.5mm\u003cbr\u003e\n✔️ Left-side power meter reads watts; 172.5mm crank, DUB PM spindle \u003cp\u003eThe Rival AXS left crank arm with power meter spindle is a spindle-based power meter accessory designed for SRAM AXS road cranksets. It measures left-side power to estimate total watts, delivering real-time watts with long battery life and a user-replaceable lithium AAA battery. This aluminum left arm finishes in carbon and is typically used with a separate right crank arm, bottom bracket, spider, and chainring sold separately.\u003c\/p\u003e \u003cp\u003e✅ Aluminum left crank arm with power meter spindle; right crank arm, BB, spider, and chainring sold separately\u003cbr\u003e✅ Spindle-based meter measures left-side power to estimate total watts\u003cbr\u003e✅ Long battery life with user-replaceable lithium AAA battery\u003cbr\u003e✅ IPX7 waterproof to 1 m for 30 minutes\u003cbr\u003e✅ Lightweight (less than 40g heavier than standard crankset)\u003cbr\u003e✅ Color: Carbon finish\u003cbr\u003e172.5 mm length included\u003c\/p\u003e \u003cp\u003e💡 What is a left crank arm power meter used for in cycling?\u003c\/p\u003e\n\u003cp\u003eThe handy answer: it gives cyclists real watt data by measuring the left leg to estimate total power, helping pace and training decisions.\u003c\/p\u003e\n\u003cp\u003e- left-side power data helps set training zones\u003c\/p\u003e\n\u003cp\u003e- works with spindle-based power meters on AXS cranksets\u003c\/p\u003e\n\u003cp\u003e- long battery life keeps you riding without frequent battery swaps\u003c\/p\u003e✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48944945692907,"sku":"VXB0FDN5132M","price":342.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/41phd9K-u2L.jpg?v=1782465109","url":"https:\/\/vxb.com\/products\/rival-axs-left-crank-arm-with-power-meter-spindle","provider":"VXB Bearings","version":"1.0","type":"link"}