The following bicycles are permitted across all Ford RideLondon-Essex mass participation events: standard road and hybrid bicycles; single-speed (both fixed and freewheel) bicycles – as long as they have suitable brakes; mountain bikes – although please use slick tyres to conserve energy; handcycles; e-bikes that comply with current UK/EU legal requirements for ‘electrically assisted pedal cycles’; tandems – if officially entered.