Was reading a shimano technical information 2003 book.A few prices and they have all of them in here,PD7750 pedal,msrp $215 Price $128 wh-7701 dura-ace alloy rim,pair-msrp $750 price $450.The r535 pedals that i just got,the had at msrp $85 price $42 and the cheapest i found was $56.Is the price what the lbs buy them for or what?