bounce is tires feels like tiews have flat spot on 2010 GMC Yukon Denali

beteween 50 to 55 its the worst i just picked it up from the dealer it only has 12000 miles and has been this way allthe time they had it a week this last time still no fix

Asked by for the 2010 GMC Yukon Denali
Possibly a separated tire or its out of balance, Bring it to a old fashion alignment shop and get their opinion and you can find one here