The Crayford Kestrels were a Speedway

Motorcycle speedway

Motorcycle speedway, usually referred to as speedway, is a motorcycle sport involving four and sometimes up to six riders competing over four anti-clockwise laps of an oval circuit. Speedway motorcycles use only one gear and have no brakes and racing takes place on a flat oval track usually...

 team which operated from 1968 until their closure in 1983 when they transferred the promotion to Hackney

Hackney Wick Stadium

Hackney Wick Stadium, Waterden Road, in the London Borough of Hackney, was opened in 1932 and was mainly used for greyhound racing and speedway.In 1994, a £12M stand and restaurant was built and the stadium was renamed the London Stadium, Hackney...

.

Initially nicknamed the 'Highwaymen' from 1968 until they closed in 1970, the track re-opened in 1975 and the team were nicknamed the Kestrels. The team were forced to relocate for the 1984 season as the stadium was sold for redevelopment.

The Kestrels were National League Four-Team Champions

Speedway Premier League Four-Team Championship

The Premier League Four-Team Championship is a contest between teams competing in the Speedway Premier League in the UK. Eight teams are grouped into fours, with one rider from each team in each race...

in 1980.