Answer:
What is it that no man ever yet did see, which never was, but always is to be?
Without a bridle, or a saddle, across a thing I ride a-straddle. And those I ride, by help of me, though almost blind, are made to see.
A hole in a pole, though I fill a hole in white. I'm used more by the day, and less by the night.
Stealthy as a shadow in the dead of night, cunning but affectionate if given a bite. Never owned but often loved. At my sport considered cruel, but that's because you never know me at all.
You can spin, wheel and twist. But this thing can turn without moving.
You can always find me in the past. I am created in the present, but the future can not change me. What am I?