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).
Bicycle and motorcycle geometry is the collection of key measurements (lengths and angles) that define a particular bike configuration.Primary among these are wheelbase, steering axis angle, fork offset, and trail.he fork offset is the perpendicular distance from the steering axis to the center of the front wheel. In bicycles, fork offset is also called fork rake. Road racing bicycle forks have an offset of 40â50 mm (1.6â2.0 in).