Andrews Precision specialise in crankshaft knife edging, lightening cranks and dynamically balancing them.

We have many years experience in this very specialised field, producing an exceptionally high standard of work.

Knife edging combines aerodynamics with weight reduction resulting in instant throttle response and engine pick-up.

Suzuki VT650 crank before and after knife edging. This crank was lightened to a minimum weight for racing.