I wasn't sure I could do it, so I brought along a freewheel cog just in case.
Started out 32x18 and switch to 19 later the first day because I didn't have the legs to climb. The 18 felt better decending though.
Over the week of riding, I had hundreds of pedal strikes but maybe one caused me to fall. Most of my falls were caused by fatigue and not making good decisions. I seemed to challenge ttfs on odd days and felt tentative on even days. I listened to my body and mind and rode within myself, otherwise, I would have hurt myself more than I did.