I've just installed my second ES51 bottom bracket because the first one was making such a racket.After 10 miles this one is just as loud! If I stand on the pedals the noise is terrible,to be honest it's embarrassing! Is there a remedy for this? Or is it even the bottom bracket,could it be some other part,or even the frame? BTW,I ride a Trek 4900 and am in the Clydesdale class.Thanks in advance.