Originally Posted by
FBinNY
The raised tab seems like it's made as some kind of a guide that must mate to some specific shoe. If it isn't doing anything, you're best bet is to file or grind it off so you have a flat surface for your shoes.
The raised guide hooked up with a special Shimano cleat that bolted to a Look-pattern shoe. The cleat had "wings" that slid underneath the hooks on the plate. With a cinched-down toe strap it was near impossible to get the shoe to release from the pedal.
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Jeff Wills
Comcast nuked my web page. It will return soon..