here in Phoenix it is getting up to 115 now in the afternoons. the camelbak is a good Idea, I need to get one. otherwise, stay hydrated, drink a bunch of water before you leave work, and go slow. just creep along, don't try to push yourself.
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"Think of bicycles as rideable art that can just about save the world". ~Grant Petersen
Cyclists fare best when they recognize that there are times when acting vehicularly is not the best practice, and are flexible enough to do what is necessary as the situation warrants.--Me