Originally Posted by
dtrain
The relatively large size of those pedals makes riding in other shoes not too bad for short distances. I often ride my SPD-SL's wearing Rockports for about 2 miles to the bus stop in the morning (when I'm doing a 'one-way' commute).
+1, I've ridden about 30 miles on the lower level R540 SPD-SL pedals in running shoes no problems... The platform on the 105/Ultegra SPD-SL is a little bit larger (I have those too), so should be just as easy.