Wahoo Fitness Powerlink Zero Dual-Sided Power Pedals - Dual Sided Clipless Composite 9/16" Black Pair Dual-Sensing Speedplay. The combined forces of Wahoos proven power algorithms and Speedplay’s advanced features set Powerlink Zero Power Pedals a cut above the competition. By capturing total power left-right balance and cadence Powerlink Zero Dual delivers all the actionable data required to generate performance improvements. Pair with the full Wahoo Ecosystem of smart devices to track analyze and share your breakthrough gains.Dual-sided power metrics: total power cadence and left/right balance. In capturing all three metrics our sports-science based approach not only monitors power output but also gives the rider insight to optimize pedal symmetry for a more efficient pedal stroke with lab tested +/- 1% power accuracySimple and intuitive Wahoo Fitness app offers guided instructions on how to install Powerlink Zeros on any bike calibrate the pedals for accuracy and perform firmware updatesSimultaneously connect to three Bluetooth devices while broadcasting to an unlimited number of ANT+ devicesPowerlink Zero is built on on the dual-sided entry Speedplay Pedal System which maximizes power transfer by putting your foot closer to the spindle. No more fumbling fussing or kicking your pedal over; leverage a powerful take off when the light turns green and clip in with easePowerlink Zero and the Speedplay Standard Tension Cleat create a secure connection and a streamlined profile. The two form a seamless integration that aids power transfer and increases aerodynamics. The slim profile cleat and rubber texture create enhanced stability when walking in your road shoes off the bikeThe cleat can be positioned on the bottom of the shoe and adjusted fore-aft left-right and rotationally allowing between 0-15 degrees of float allowing the heel to pivot around the center of the pedal. This range of motion in the foot lower leg and knee increases comfort and enhances pedal efficiencyUncompromised durability and minimal maintenance thanks to their stainless steel construction and triple-sealed bearing systemPowered by a rechargeable lithium battery Powerlink Zero power pedals have a battery life with up to 75 hours tested and proven to provide accurate power data across changing temperatures that you are sure to encounter while ridingPair with the rest of the Wahoo Ecosystem compatible devices for the most connected training experience.