{"product_id":"pioneer-shimano-dura-ace-9000-left-crank-arm-power-meter","title":"Pioneer Shimano Dura-Ace 9000 Left Crank Arm Power Meter","description":"\u003cdiv\u003e\n\u003cp\u003eThe \u003cstrong\u003ePioneer Shimano Dura-Ace 9000 Left Crank Arm Power Meter\u003c\/strong\u003e is a direct replacement for your existing Dura-Ace 9000 left arm — same spider, same feel, but with strain gauges, an accelerometer, ANT+ transmitter, and a CR2032 battery built into the inside of the arm. If you already run a 9000 crankset, this is one of the most straightforward ways to add power measurement to your setup without replacing the whole drivetrain.\u003c\/p\u003e\n\u003cp\u003eThe unit adds 22g and 8.8mm of depth to the back of the arm compared to a stock left crank — total arm weight comes in at 200g. Pioneer rates accuracy at ±2%. The accelerometer wakes the meter automatically once the crank begins to turn, so there's no manual activation required. The ANT+ signal is compatible with any head unit that reads ANT+ power data. One clearance note worth checking before you buy: if your frame runs an under-bottom-bracket brake cable, Pioneer recommends a minimum of 10mm of clearance on the back of the arm.\u003c\/p\u003e\n\u003ch3\u003ePioneer Shimano Dura-Ace 9000 Left Specs at a Glance\u003c\/h3\u003e\n\u003cul class=\"specs_at_a_glance\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Shimano Dura-Ace 9000 crankset\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArm weight:\u003c\/strong\u003e 200g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccuracy:\u003c\/strong\u003e ±2%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal:\u003c\/strong\u003e ANT+\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Pioneer","offers":[{"title":"180mm","offer_id":43516209430572,"sku":"SGY-LT90-180","price":219.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/7684\/9196\/files\/pioneer-shimano-dura-ace-9000-left-crank-arm-power-meter-1369993.jpg?v=1771299257","url":"https:\/\/ricycles.com\/products\/pioneer-shimano-dura-ace-9000-left-crank-arm-power-meter","provider":"RA Cycles","version":"1.0","type":"link"}