This ring is meant being compressed and it is what holds the wheel in position the moment inserted into the chair base. So When the stem goes in the socket gap, but stops in the grip ring, consider the subsequent: "At OfficeMasterChairs.com, we've been reworking workspaces into relaxed, effective environments https://tech-news50369.blogchaat.com/29163778/the-5-second-trick-for-office-chair-wheel-tire