Once you get the clips on the shoes worn in a bit, they will feel alot better. I have the 505's and 515's, and bother were sticky at first. Now that the cleats are worn a bit, im ready to tighten the pedals a tad so I dont have any sudden releases with them. All of us who run clipless can sympathize with you. We have all fallen and still will from time to time. You will get used to them and really enjoy the benefits of them.