I want to add toe cages to my Riese&Muller Roadster. The stock pedals are VP-191 Alloy Platform with Rubber Tread. Although I used a 15 mm wrench to remove the pedal, the screw going into the crank is a tad bit larger than other standard pedals I have here in the US.This bike is my main mode of transportation on city streets. Can someone please advise me as a reasonably priced option here ? Any help would be greatly appreciated.