A rotating shaft geared to another shaft, usually the crankshaft that carries counterbalance weights to bring the shafts into harmonic balance.

A hydraulic device that controls the pressure in different parts of a hydraulic circuit. Used to balance front and rear brake actuation.

Small weights used to balance a shaft or a wheel.

Additive used to balance colour formulae in proportion to size and pigment-to-binder ratio.

A component of a synchromesh gear hub that provides a cone clutch and guidance of the outer hub to the gear dog teeth.

A bearing consisting of inner and outer tracks with a series of ball bearings in between. A single surface hardened steel ball.

Flexible exhaust connection.

Joints that allow movement for suspension and steering.

A pivot that allows movement in several directions.

A simple valve that is closed off as a ball moves.