If budget is a concern, cleaning old bearings can go a long way. Soapy water, followed by a wd40 bath, followed by some 3-in-1 oil, followed by thoroughly wiping clean and dry, can make old bearings feel much better.
But bearings are pretty cheap so it might be worth it to get new ones.








You could also consider looking into a private tracker. It’s not 100% safe but much more safe than a public tracker. It’s also kind of fun getting into it, but hard to get invited.