ROTOR Bike Components introduced their new 2INpower ("twin" power) dual-sided power meter. 2INpower measures power individually at each leg to provide precise data about balance and power output in order to demonstrate where improvements can be made when it comes to pedaling efficiency.
"A person with a 50/50 balance in his or her power output is extremely rare, if even that person exists," explained Irene Albacete, lead engineer for 2INpower. "We knew that the next step was to take advantage of INpower's technology and accuracy to develop a dual-sided power meter with the same features as INpower but which could provide power data equally in the right leg and in the left."
An additional pair of strain gauges is placed inside the right crank arm. They measure the performance of the right leg solely. The other four strain gauges are already located in the bottom bracket axle - as in the INpower cranks - measuring the left leg power.
New technologies of the 2INpower cranks are Bluetooth Smart and the integrated rechargeable battery.