The 4iiii PRECISION is a left-only crank arm-based power meter and replaces your current left side crank arm. The 4iiii takes the power that is generated by your left leg and doubles it in order to determine your total power output. All PRECISION models run off a CR2032 battery, feature approximately 100 hours of battery life and support both ANT+ and Bluetooth SMART wireless protocols. New 4iiii DA9100 PRECISION 3! The all new 4iiii DA9100 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 DA9100 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 DA9100 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. 4iiii PRECISION Power Meter For Shimano DURA-ACE 9100. 4iiii PRECISION 3 DURA-ACE 9100. 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.