The last few Saturdays have brought the faintest hint of fall in Florida, just enough to encourage my husband James and me to get back on our bikes and explore new off-road trails. Several months have passed since the last time I went mountain-biking, but I was feeling pretty confident I could handle easy “green” trails. (I use the term “mountain-biking” loosely, because there are no mountains in Florida.) Croom Wildlife Management Area offers over sixty miles of trails and a few more advanced “blue” ones James wanted to try. We geared up, checked the air in our tires, and started out. Only a few minutes in, I was starting…