The Flèche is a very special type of ride. Teams form (minium of 3 bicycles and maximum of 5 bicycles, tandems count as 1 bicycle) and choose their own route to the destination, planning to arrive exactly 24 hours after the start and covering at least 360km.
More details on the rules here.
On registration, please enter your team name / team leader in the 'comments or other relevant info' field.