You have a tire or tires out of balance.best to get tires road force balanced.
have your front tires rebalanced.
A shake that is that speed sensitive is usually a bent rim, or bad tire.
Check the wheel balance
its not spossed too...you may need to balance your tires
It would be highly unlikely.
Normally this is caused by a tire out of balance or a bent wheel.
Tires need balancing.
i would really like to know myself
balance the tires
Normally this is a symptom of a tire out of balance. Have your tires balanced and this should solve the problem.
possibilityThe car is out of alignment or you have a wheel out of balance.
If it happens when you are driving fast (60-70 MPH) it could be that your wheels are out of alignment.