THIS IS A UNION 5 SPEED DRUM BRAKE 36 SPOKE REAR HUB ASSEMBLY WHAT YOU SEE IS WHAT YOU GET WAS REMOVED FROM A 1966 SCHWINN TANDEM BIKE BRAKE WORKS GREAT!! THIS HAD HEAVY DUTY SPOKES ON IT!!SEE ALL PICTURES!! THANKS FOR LOOKING ANY QUESTIONS PLEASE ASK!! (50tandemfremontnewgarageshelf)