Originally Posted by
fietsbob
SPD SL* goes on Hard sole Road shoes the Pontoons stabilize the cleat on the pedal ..
SPD is another Shimano Standard other companies adopted to Get a market Share .
so others should all be consistant to be compatible ..
We Sold shoes with that* cleat for Spinning classes , since their machines used those pedals MTB and Dual side work too .
yeah, I know both systems very well. As I said, I am just wondering about the differences in stack height between the two...to be honest I am not exactly sure what you trying to say in your post