Harris Performance Products

The business started in Roydon, Essex, England making replacement chassis for road racing, housing Yamaha TZ250/TZ350 engines using a monoshock rear suspension layout.

[1] It was absorbed in 2015 by Eicher Motors, a conglomerate specialising in vehicle production, based in India.

[2] The family-run company Harris Performance Products is based in Hertford and designs, develops, manufactures and markets road and racing motorcycle chassis and components.

Harris motorcycles have been successful in all classes of road racing including Grand Prix, Superbike World Championship, World Championship Endurance, Isle of Man TT and top Irish road races.

The company had a long relationship with Royal Enfield and was responsible for the chassis development of the brand's models Continental GT cafe racer and the Himalayan ADV bike.