{"product_id":"inpeak-ultegra-r8100-powercrank-e-twin2","title":"Inpeak Ultegra R8100 Powercrank-E Twin2 Dual-Sided Power Meter for Shimano Crankset","description":"\u003cp\u003eThe Inpeak Ultegra R8100 Powercrank-E - Twin2 is an advanced dual-sided power meter seamlessly integrated with the Shimano Ultegra FC-R8100 crankset, designed to meet the highest standards of precision and reliability for demanding cyclists. This power meter represents the evolution of the POWERCRANK-E line, now enhanced with additional strain gauges on the sides of the crank for even more accurate power measurement.\u003c\/p\u003e\n\n\u003cp\u003eDesigned with modern technology, the Powercrank-E features a rechargeable battery charged via a magnetic USB cable, making it not just a power meter but your essential training companion. It transmits power, cadence, and detailed cycling performance data using ANT+ and BLE protocols, ensuring compatibility with a wide range of devices. Its low-profile, waterproof, and durable construction makes it ideal for road and gravel cycling, providing consistent readings regardless of weather conditions thanks to its automatic temperature compensation from -5 °C to +50 °C.\u003c\/p\u003e\n\n\u003cp\u003eBuilt in Poland with meticulous attention to detail, this power meter offers exceptional value without compromising on quality. Each unit undergoes individual calibration to guarantee ±2% measurement precision, while its robust design has been tested by hundreds of professional riders. The Powercrank-E is equipped with advanced features such as torque effectiveness, pedal smoothness, cycling dynamics, and left\/right balance, providing comprehensive insights to help you elevate your cycling performance.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eProviding highly accurate dual-sided power measurement for precise training and performance analysis.\u003c\/li\u003e\n  \u003cli\u003eSeamless integration with Shimano Ultegra FC-R8100 crankset, maintaining bike aesthetics and functionality.\u003c\/li\u003e\n  \u003cli\u003eReliable data transmission through both ANT+ and Bluetooth Low Energy protocols for versatile device compatibility.\u003c\/li\u003e\n  \u003cli\u003eDurable, waterproof design suitable for varied weather conditions and road or gravel riding.\u003c\/li\u003e\n  \u003cli\u003eConvenient rechargeable battery system with long autonomy and quick charging via included USB cable.\u003c\/li\u003e\n  \u003cli\u003eAdvanced features such as torque effectiveness, pedal smoothness, cycling dynamics, and balance for in-depth performance insights.\u003c\/li\u003e\n  \u003cli\u003eAutomatic temperature compensation ensuring consistent accuracy across a wide temperature range (-5 °C to +50 °C).\u003c\/li\u003e\n  \u003cli\u003eIndividual calibration guaranteeing flawless measurement accuracy and reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat It’s NOT Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUse on bike cranksets other than Shimano Ultegra FC-R8100 or DuraAce FC-R9200 models without verification.\u003c\/li\u003e\n  \u003cli\u003eApplications requiring power measurement outside the specified range of 20-2000 W.\u003c\/li\u003e\n  \u003cli\u003eUsers who prefer disposable battery systems instead of rechargeable solutions.\u003c\/li\u003e\n  \u003cli\u003eEnvironments with temperatures outside the operational range of -5 °C to +50 °C for accurate readings.\u003c\/li\u003e\n  \u003cli\u003eRiders who do not require advanced metrics such as torque effectiveness or cycling dynamics.\u003c\/li\u003e\n  \u003cli\u003eInstallation or usage without following the included detailed instructions and calibration procedures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the Inpeak Ultegra R8100 Powercrank-E improve training?\u003c\/strong\u003e\u003cbr\u003eThe power meter provides dual-sided, highly precise power and cadence data along with advanced cycling metrics like torque effectiveness and pedal smoothness. This data helps cyclists analyze their performance in detail and tailor their training accordingly.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs the power meter compatible with all devices?\u003c\/strong\u003e\u003cbr\u003eYes, it uses both ANT+ and Bluetooth Low Energy protocols, making it compatible with most cycling computers, smartphones, and training apps including Zwift.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow long does the battery last and how is it charged?\u003c\/strong\u003e\u003cbr\u003eThe rechargeable battery offers up to 90 hours of use on a full charge and can be recharged in about 2 hours using the included magnetic USB cable.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan the power meter withstand harsh weather?\u003c\/strong\u003e\u003cbr\u003eYes, it features an IP67-rated waterproof and durable housing built to perform reliably in wet and variable weather conditions.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs calibration required?\u003c\/strong\u003e\u003cbr\u003eEach power meter is individually calibrated before installation, and manual zero-offset calibration is supported to maintain measurement accuracy over time.\u003c\/p\u003e","brand":"INPEAK","offers":[{"title":"160mm \/ Grey \/ 50-34","offer_id":46479808954543,"sku":"ITWV40SHR8160B04","price":899.99,"currency_code":"GBP","in_stock":false},{"title":"160mm \/ Grey \/ 52-36","offer_id":46479808987311,"sku":"ITWV40SHR8160B26","price":899.99,"currency_code":"GBP","in_stock":false},{"title":"165mm \/ Grey \/ 50-34","offer_id":46479809020079,"sku":"ITWV40SHR8165B04","price":899.99,"currency_code":"GBP","in_stock":false},{"title":"165mm \/ Grey \/ 52-36","offer_id":46479809052847,"sku":"ITWV40SHR8165B26","price":899.99,"currency_code":"GBP","in_stock":false},{"title":"170mm \/ Grey \/ 50-34","offer_id":46479809085615,"sku":"ITWV40SHR8170B04","price":899.99,"currency_code":"GBP","in_stock":false},{"title":"170mm \/ Grey \/ 52-36","offer_id":46479809118383,"sku":"ITWV40SHR8170B26","price":899.99,"currency_code":"GBP","in_stock":false},{"title":"172.5mm \/ Grey \/ 50-34","offer_id":46479809151151,"sku":"ITWV40SHR8172B04","price":899.99,"currency_code":"GBP","in_stock":false},{"title":"172.5mm \/ Grey \/ 52-36","offer_id":46479809183919,"sku":"ITWV40SHR8172B26","price":899.99,"currency_code":"GBP","in_stock":false},{"title":"175mm \/ Grey \/ 50-34","offer_id":46479809216687,"sku":"ITWV40SHR8175B04","price":899.99,"currency_code":"GBP","in_stock":false},{"title":"175mm \/ Grey \/ 52-36","offer_id":46479809249455,"sku":"ITWV40SHR8175B26","price":899.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/51077-pm.jpg?v=1768531496","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/inpeak-ultegra-r8100-powercrank-e-twin2","provider":"Swinnerton Cycles","version":"1.0","type":"link"}