I've just put a brand new pair of 2015 Fulcrum racing 5s on my bike and whilst they feel great, the freehub (shimano) is almost silent when freewheeling. Checked their website and had a look on Google - if anything, people are commenting on how loud they are (albeit on earlier models). Have Fulcrum designed the 2015 racing 5s it this way or do they need sending back? Cheers!