Originally Posted by I-Like-To-Bike

I'm sure you will make haste to be there to put a frown on her face and let her and her parents know how wicked and stupid their bike selection was (of course!)

Maybe you should chastise and sneer at your niece's parents for not checking out her bike, or possibly chastising and sneering at your niece for turning the brake levers to some allegedly "deathtrap" position.