Originally Posted by
JPKinsella
It depends on the track conditions. I myself replace my bearings once for the whole winter indoor season low dust clay bluegroove track. Outdoors on a loomy loose track every three races. I have had real good luck with the avid revolution at 1$ a piece. Clutch and motor bearings are a different story
+1 on Avid revolutions they are great bearings. I replace about every gallon or so unless they start making noise or are gritty, but about a gallon is right.