Originally Posted by johnny99
The only difference between the Crank road cleats and MTB cleats is that the road cleats have the rubber pontoons to protect the cleats from damage when you walk around. The pontoons are not necessary with MTB shoes where the lugs will protect the cleats. The screws should be exactly the same.
It's possible the original poster owns SPD-SL type road shoes and
just discovered you can't mount crank bros. cleats to them without the adapter:
This is a standard eggbeater cleat:
The quattro cleat with pontoons:
Here is the adapter:
