4iiii has combined their patent pending 3-D tri-axial strain gauge technology, measured at +/- 1.0% accuracy, with Shimano's GRX RX810 groupset. The result is one of the lightest, most affordable and most accurate direct force power meters available for gravel and adventure riders.
The 4iiii power meter measures left leg power and doubles this value to determine your total power. This left-only design allows for a power meter that is affordable, lightweight and easy to install. The power meter adds only 9 grams to your crank arm and is installed in about 10 minutes.
In addition, the PRECISION is compatible with both ANT+ and Bluetooth SMART devices. New 4iiii GRX RX810 PRECISION 3! The all new 4iiii GRX RX810 PRECISION 3 power meter features the following improvements over the version 2.
800 hours of battery life - the longest coin cell battery life in a power meter on the market! Sleeker, slimmer profile making most incompatibility issues a thing of the past.Stronger antenna for even better connectivity. Indicator light for battery life, successful zero-offset and when the unit has been turned on. The 4iiii PRECISION GRX RX810 is one of the most affordable, ready to ride direct force power meters available. The PRECISION is accurate to within +/- 1.0%. This compares to average accuracy of +/- 1.0-2.0% for most other power meters.
The 4iiii PRECISION 3 GRX RX81 Power Meter provides and industry leading 800 hours of battery life! Just swap it out for your current left-side crank arm and you're ready to ride!
The power meter transmits data via both ANT+ and Bluetooth SMART so you can use it with a wide range of devices. The 4iiii power meter is compatible with all Shimano GRX cranksets including GRX RX600. 4iiii PRECISION Shimano GRX RX810 Power Meter. 4iiii PRECISION 3 GRX RX810. Left or Both Legs Measured.Expert advice and customer service in case you need any help. At Power Meter City, we focus on power meters and related accessories and components.
Our focus on these products means we can offer you the best possible selection, advice and service. We have been in business since 2016 and are based in southern California. We are an authorized dealer of every product we sell. This item is in the category "Sporting Goods\Cycling\Bicycle Electronics\Power Meters".
The seller is "powermetercity" and is located in this country: US. This item can be shipped to United States, Canada, United Kingdom, China, Mexico, Germany, Japan, France, Australia, Denmark, Romania, Slovakia, Bulgaria, Czech Republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Greece, Portugal, Cyprus, Slovenia, Sweden, Korea, South, Indonesia, Taiwan, South Africa, Thailand, Belgium, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Austria, Bahamas, Israel, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi Arabia, United Arab Emirates, Qatar, Kuwait, Bahrain, Croatia, Republic of, Malaysia, Chile, Colombia, Costa Rica, Panama, Trinidad and Tobago, Guatemala, Honduras, Jamaica, Antigua and Barbuda, Aruba, Belize, Dominica, Grenada, Saint Kitts-Nevis, Saint Lucia, Montserrat, Turks and Caicos Islands, Barbados, Bangladesh, Bermuda, Brunei Darussalam, Bolivia, Ecuador, Egypt, French Guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman Islands, Liechtenstein, Sri Lanka, Luxembourg, Monaco, Macau, Martinique, Maldives, Nicaragua, Oman, Peru, Pakistan, Paraguay, Reunion, Vietnam, Uruguay.