It used to be the case that I could ride for about 230 miles before I started thinking about buying new gas, but ever since I returned from Hawai`i, it’s been only just about half as much and I am wondering what caused the change.
At first, I thought it might be tire pressure (although even on bare rims I should be able to do more than that). I went to the gas station down the hill, who had air but no pressure gauge, and added a little.
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