we have a neighborhood tom that is really cute. all black with white spot on his chest. his name is Bouncer and will come when you call his name. running down the block to you. the mr. was out doing maintainence on the bikes one day and here comes bouncer and jumps on the bike, sitting on the top tube with paws on the handle bars. he's ready to ride! i thought this was just a once thing, but he's done it several times, even when we start off on our rides. he's really cute, but i think Trek420 is right.......kitties and bike rides would not mix.......