Chainrings are in good shape and not missing any teeth, its just the photo that makes it look funny. Crank arms have some rub but each power meter connects quickly, either separate or together. It has been updated to the newest firmware.
Looking to get $499
All photos: https://imgur.com/a/36Srdcv
Looking to get $499
All photos: https://imgur.com/a/36Srdcv