Guapo,one tip shimano's paralell linkage system of brake calipers..they squeal like ten thousand pigs on heat when used in the front no matter how well there set up !!, you can be lucky with a change of pads..a very good start is to try koolstops and see how you go !
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Velosophy#1: It is better to have a bicycle and no money , than money and no bicycle ! Velosophy # 2 : "Winning is simple, but not easy." #3: "Give a man a fish and he shall eat for a day , teach him how to fish and he will sit in a boat and drink beer all day"