Pioneer Single Leg Power Meter KitB.Y.O.C.If you use a Dura-Ace R9100 or Ultegra R8000 crankset and you're interested in trying out power for the first time, then you're in luck! The Pioneer Power Meter Installation Kit is compatible with both Dura-Ace 9100 and Ultegra 8000 crankarms. This allows you to ship your existing crank to Pioneer for factory installation and calibration. Simply pack your crankset in the customized shipping box, register your crankset online, print your pre-paid shipping label and drop the kit in the mail. Once received at Pioneer's Cycle Installation Center, they will keep you updated during the installation process and ship your completed single leg power meter back in 5 to 7 business days. With a power meter, you'll be able to measure your efforts as you race and ride.FeaturesBuy It if you want power on your Dura-Ace 9100 and Ultegra 8000Ship It back to Pioneer and they will install and calibrate itRide It and track your performanceSuggested Addition: Pioneer SGX-CA600 Cycle ComputerNote: For more information about Pioneer's BYOC program, please visit Pioneer's Online Installation Registration. | Pioneer Single Leg Power Meter Kit SBT-PMLTC, Non-Drive Side