Originally Posted by
fietsbob
SPD as a Type , includes an MKS and Welgo ,
which have a similar but not identical , so not a 'works same as' .. cleat..
SPD does mean “Shimano Pedaling Dynamics”. But it’s certainly become a Kleenex type product where everyone refers to this type of pedal, Shimano or not, as “SPD” and as different from Look, Time, Crank, Speedplay.