"Obviously does not quality final place. At the junction of the rim and the valve hole there was a sharp ridge which had to be removed with fine emery cloth. Yet notice how the pad responds to this point. The valve hole is apart from the sharp edge a considerably large diameter; Regardless of which type of valve. Although the valve screw is tightened to the rim, you can not close the hole. It remains on the valve an opening that I had to close with silicone, otherwise Verschutzungen would penetrate. The Dynamo function as expected in order.