On August 24, Tadeusz Mazowiecki, a Solidarity representative, was elected Prime Minister of Poland, who became the first non-communist prime minister in Eastern Europe for almost four decades. By the end of the month, a Solidarity-led coalition government was formed. In December 1990, Walesa was elected president.
Wheel Offset. Wheel offset (abbreviated ET) is the distance from the mounting surface of the hub (M) to the wheelâs centerline (C). Offset can be positive or negative and is typically measured in millimeters. Wheel Backspacing. This is the distance created between the plane of the inner rim and the mounting surface of the hub (M).
What is a Concave Wheel? Concave Technology takes the center of the wheel and dips inwards to give it that bowl effect. Rather than exaggerating a bigger lip for the back wheel, and a smaller lip for the front. Concave wheels emphasize the concavity of the rear wheel to differentiate from the front wheel.