Quote Originally Posted by Lenusik
I don't think that this is the one because I would be completely against using a pepper spray. If a dog is big this can only make it angrier. Plus it may affect a rider and you would not be able to ride away. But we are getting some good advice in this thread.
It is the one, but you have to scroll. Petsmart or one of those places carries a citrus spray for runners, cyclists, etc. Pretty effective at keeping them from your heels and blow back isn't an issue. I used it on a big rottweiler a couple of weeks ago. They don't like the smell or the sound. Mine is clipped on my tiny handlebar bag.