Like most riders going from platform to clipless, I fell a few times when I first put them on the road bike. Only twice since then, once was to avoid crashing with another cyclist and couldn't unclip in time and the second time I went off the sidewalk and the front wheel went into a hole. However, I have had more falls (some more serious) while riding platform pedals than with my clipless.
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HCFR Cycling Team
Ride Safe ... Ride Hard ... Ride Daily
2017 Colnago C-RS
2012 Colnago Ace
2010 Giant Cypress