Action in tandem: claims by and on behalf of British Cycling members At Leigh Day, we are proud to be British Cycling (BC)'s legal partner. BC are the national governing body for cycle sport in Great Britain and have been spearheading success in the Olympics and other international events over multiple cycle disciplines. In combination with this they are actively promoting the health, wellbeing and environmental benefits (not to forget the out and out joy) that come with riding a bike.