If you get a set of crossbars you could pretty easily mount one kayak and one bicycle with the right mounts. Nothing truly universal, but the beauty of the crossbars is you can change out the mounts for something else.
I don't carry a bicycle on mine, but these are the kayak mounts I bought.
Kayak mount for car roof racks. Never used. Didn't fit my car. Link here if anyone wants to see them.
PM me.
I have the inno crossbar setup and Malone J-pro kayak rack
inno cross bar system with a malone j pro 2 kayak attachment. Here is a link the the malone