Mine seemed a little noisy.Paranoia.Anyway I had them checked at 13,000ks one needed a small [5 thou.?]shim.I had them checked again at 30,000ks and they were all still in spec.so I would guess 20,000 would/should be ok.
Dinosaur.
"Oh Man I only ride 'em.I don't know what makes 'em work". Donald "Oddball" Sutherland
"Don't let the bastards get you down". Kris Kristofferson
"I am only paranoid because everyone is against me". Larry [Frank Burns] Linville
