An adapter set for fastening the Quick Rack or Quick Rack Light to bikes without M5 or M6 threaded eyelets. Are you looking to mount one of our Quick Racks but find that your bike has no M5 or M6 threaded eyelets Thats no problem at all: with the Quick Rack Seat Stay Adapter, our innovative luggage rack can also be firmly and securely mounted to the seat stays of your bike.