I never initiate wave but I return them.
+1 Maybe I'm burned out on the wave... I'll always return them if I get one. If I'm out in BFE Nowhere, and run across another rider, I'll toss out a wave. When you are away from the city, in the middle of nowhere, it's the true riders you run across... posers aren't 500 miles away from home enjoying the ride, 2 or 3 wheels (well... except for 2 weeks out of the year, in a certain town, in a certain state, for an event... called Trailergis j/k
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What used to be something of a cageless bond, became "class" warfare to some... I'll wave at this bike or that type, but not those. It shouldn't matter what you ride, 2 or 3 wheels... it's that you ride... it's a community we belong to.