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13,275 Posts
Could be one or more of Low tire pressure, old rubber (over 5 years), out of balance tires, bad tire manufacturing process, bad wheel bearings, loose swingarm bearings or steering bearings,
Be sure and replace the rubber base valve stems with all 90 deg metal valve stems that bolt onto the rim. The rubber base pull in place valve stems crack and leak/break with fast deflations.
Be sure and replace the rubber base valve stems with all 90 deg metal valve stems that bolt onto the rim. The rubber base pull in place valve stems crack and leak/break with fast deflations.