You can, of course, brush them, however this will not last long. More radical means of plastic washer embedded between the half-loops.
There is another way to get rid of the squeak. You need to shorten rod one half loop and put the loop inside a steel bearing ball.
Recommend to read
BUGGY FROM KUDRINO
About the craftsmen of the rural settlement of the Highlands of the Yaroslavl region, I had occasion to write more than once, and what a surprise it was that the reserves were not yet...
“MOTORCYCLE” OF AN AGRONOMER
This ultra-light vehicle - a kind of “motorcycle” on an air cushion - was built in Bataysk at the city SUT. Its advantages are simplicity of design, high maneuverability and quite...
