I have 347 miles on my bike as of 30 minutes ago. We have been having some nice weather in Kansas City for December. Last week I changed to the 11-38 Freewheel. I like it. 6th gear is like 7th use to be. PAS 5 and 7 th gear is a nice pedal and 24 mph for my weight. 217. I can push it to 26...