A cast iron disc mounted on the wheel hub, which is plant by the caliper disc brake pads to slow stop its rotation.
Pertaining to the control systems or devices by the use of small electrical signals and various semi conductor devices and circuits.
Electric current that flows in one direction, from positive to negative then reverses direction, from negative to positive.
The most common type of universal joint used. Consists of a sinner cross, forbearing cups, each containing a set of needle roller bearings, grease seals and snaprings,