The competition is timed to accompany the launch of the second Black Edition of the Brompton, a model that the firm said in a press release was "inspired by night-time cycling in cities as a younger urban audience discovers the freedom of a Brompton bike as they explore city life".
Anyone with an Instagram account can enter the competition by posting a 15-second film using the hashtag #MyUnseenCity. The winner will be announced at the end of March, and be given a Black Edition bike and a trip to London and the opportunity to participate in the Brompton World Championships event in London in 2016. Two runners up will also be given Black Editions.
The winning film will also be shown worldwide in Brompton’s ten Junction stores and on its website, and all films will be shared via social media. The Earned Agency is working with Brompton on the project, and enlisted design agency Corke Wallis to create this film to inspire entrants.
Brompton chief executive Will Butler-Adams said: "We are delighted that Brompton owner and fan, Guy Ritchie, has kindly agreed to head up our judging panel to help spread the word about just how much fun you can have exploring cities around the world on our bikes. We look forward to seeing the creativity of our Bromptoneers worldwide as they shine a light on unseen sides of our cities from across the world."
Butler-Adams will sit on the judging panel alongside Ritchie, director of films including Sherlock Holmes and Snatch, as well as Warner Bros UK president and Brompton owner Josh Berger, and Lionel Wigram, producer partner of Guy Ritchie who also worked on the Harry Potter series.