Originally Posted by
zerosiah
even if it's rattling, there's not any "major" safety hazards. Sometimes a local shop would rather sell you a new bike than fix up your old one (not all shops). My recommendation is to use some aluminum cans as shims. However, a can isn't a permanent fix. In all reality you do need to replace the frame.
Play in the headset cups and the headtube isn't going to be a "major" safety hazard?