Toss the original shimano pads in the bin ,if the bin will accept them(lol), and get yourself some koolstop pads ,they are of a softer compound and as a consequence a lot more braking power also saving your rims braking surface ! .
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"