tire rub on frame

2015 Motiv Sherpa Tire rub on frame . Hello all I've noticed that my rear tire is a tiny bit warped and will sometimes run on the frame. If I'm standing behind my bike, it will sometimes rub on the right side of the lower frame close to the crank. When I look at it from above there seems to be...

2015 Motiv Sherpa Tire rub on frame . Hello all I've noticed that my rear tire is a tiny bit warped and will sometimes run on the frame. If I'm standing behind my bike, it will sometimes rub on the right side of the lower frame close to the crank. When I look at it from above there seems to be...