{"product_id":"4iiii-precision-3-ultegra-r8100-left-crank-arm-power-meter","title":"4iiii Precision 3+ Ultegra R8100 Left Crank Arm Power Meter","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"oc\"\u003e\n\u003cheader class=\"hero\"\u003e\n\u003cp class=\"eyebrow\"\u003eLeft crank arm power meter\u003c\/p\u003e\n\u003ch1\u003e4iiii Precision 3+ Ultegra R8100 Left Crank Arm Power Meter\u003c\/h1\u003e\n\u003cp class=\"lede\"\u003eA genuine Shimano Ultegra R8100 left crank with 4iiii's Precision 3+ strain gauge fitted at the factory. Swap it for your existing left arm and you have power and cadence data for barely any extra weight.\u003c\/p\u003e\n\u003c\/header\u003e\n\u003csection class=\"section\"\u003e\n\u003cdiv class=\"grid\"\u003e\n\u003cdiv class=\"card stat\"\u003e\n\u003cstrong\u003e±1%\u003c\/strong\u003e\u003cspan\u003eAccuracy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card stat\"\u003e\n\u003cstrong\u003e9g\u003c\/strong\u003e\u003cspan\u003eAdded weight\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card stat\"\u003e\n\u003cstrong\u003e800hrs\u003c\/strong\u003e\u003cspan\u003eBattery life\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card stat\"\u003e\n\u003cstrong\u003eIPX7\u003c\/strong\u003e\u003cspan\u003eWater resistance\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"section soft\"\u003e\n\u003cdiv class=\"intro\"\u003e\n\u003cp class=\"eyebrow\"\u003eHighlights\u003c\/p\u003e\n\u003ch2\u003eWhy we rate it\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid\"\u003e\n\u003carticle class=\"card\"\u003e\n\u003cdiv class=\"body\"\u003e\n\u003ch3\u003eSimple swap\u003c\/h3\u003e\n\u003cp\u003eArrives ready to ride on a Ultegra R8100 arm, so fitting is just a left-crank change.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003cdiv class=\"body\"\u003e\n\u003ch3\u003eLong battery life\u003c\/h3\u003e\n\u003cp\u003eRuns up to 800 hours on a standard CR2032 coin cell you can buy anywhere.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003cdiv class=\"body\"\u003e\n\u003ch3\u003eDual-band connection\u003c\/h3\u003e\n\u003cp\u003eTalks to head units, apps and smart watches over ANT+ and Bluetooth at the same time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003cdiv class=\"body\"\u003e\n\u003ch3\u003eApple Find My\u003c\/h3\u003e\n\u003cp\u003eCan be added to Apple's Find My network to help track the meter, and your bike, if it goes missing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"section\"\u003e\n\u003cdiv class=\"intro\"\u003e\n\u003cp class=\"eyebrow\"\u003eTech specs\u003c\/p\u003e\n\u003ch2\u003eSpecification\u003c\/h2\u003e\n\u003cp\u003eManufacturer specification. Details may change without notice.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-grid\"\u003e\n\u003carticle class=\"spec-card\"\u003e\n\u003ch3\u003eSpecification\u003c\/h3\u003e\n\u003cdiv class=\"spec-row\"\u003eCompatibilityShimano Ultegra R8100 cranksets (left arm replacement)\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003eMeasurementLeft (non-drive side) only\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003eAdded weight9g\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003eBattery lifeUp to 800 hours\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003eAccuracy±1%\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003eConnectivityANT+ and Bluetooth Smart\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003eBatteryCR2032 coin cell\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003eProfile5.5mm\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003ePower range0–4,000W\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003eCadence range30–170rpm\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003eWater resistanceIPX7\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003eOperating temperature0–50°C\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003eWarranty3 years\u003c\/div\u003e\n\u003c\/article\u003e\n\u003carticle class=\"spec-card\"\u003e\n\u003ch3\u003eIn the box\u003c\/h3\u003e\n\u003cdiv class=\"spec-row\"\u003eIncludesShimano Ultegra R8100 left crank arm with Precision 3+ power meter installed, CR2032 battery\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"section soft\"\u003e\n\u003cdiv class=\"intro\"\u003e\n\u003cp class=\"eyebrow\"\u003eOrdering\u003c\/p\u003e\n\u003ch2\u003eAvailable from The Cycle Collective\u003c\/h2\u003e\n\u003cp\u003eAvailable to order through The Cycle Collective in Dorking. For availability, setup or advice, call 0203 148 6764 or email hello@thecyclecollective.cc.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"4iiii","offers":[{"title":"165mm","offer_id":57408787317114,"sku":null,"price":425.0,"currency_code":"GBP","in_stock":true},{"title":"170mm","offer_id":57408787349882,"sku":null,"price":425.0,"currency_code":"GBP","in_stock":true},{"title":"172.5mm","offer_id":57408787382650,"sku":null,"price":425.0,"currency_code":"GBP","in_stock":true},{"title":"175mm","offer_id":57408787415418,"sku":null,"price":425.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0487\/4007\/3623\/files\/og_75e9765c-eaa2-4ad5-ad07-2bb7fd29f495.jpg?v=1791925057","url":"https:\/\/thecyclecollective.cc\/products\/4iiii-precision-3-ultegra-r8100-left-crank-arm-power-meter","provider":"thecyclecollective.cc","version":"1.0","type":"link"}