comprises a mono hull however the floatation platform could also be a multi hull such as a catamaran or trimaran the hull 12 has a bow b a stern s a starboard side st and a port side p the hull 12 includes a longitudinal slot 16 as best seen in fig4 the slot 16 may have different shapes the hull 12 is light weight buoyant and has dimensions that are only sufficient depending on the material used to float while supporting a person mounted to the bicycle frame 14 the hull 12 may have larger dimensions however the speed of travel will be compromised as the wettable area is increased the material can be any known mouldable material used for floats and formed by blow moulding or by a mould known as rotomould u2122 the hull could also be formed with a porous core and a fibreglass skin or other buoyant material the material must be of sufficient structural strength to support the bicycle frame in an upright position the bicycle frame 14 is mounted to a beam 42 that is adapted to fit in the slot 16 of the hull 12 if the slot 16 has a different shape than the elongated.