Stages Cycling Ultegra R8000 Crank Arm Power Meter ANT+ / BlueTooth 172.5mm Length Non-Drive Crank Arm (NEW GEN3 VERSION) NEW IN FACTORY BOX - Never Mounted, Never Used Includes non-drive crank arm with power-meter installed Many sizes and options are also available - please email for options & prices FREE Shipping in USA - Outside USA calculated by Postal code and actual package weight FREE Shipping in USA - Outside USA calculated by Postal code and actual package weight