Originally Posted by Spoonrobot

+1

Waiting for my 18t to get here. I feel just as fast in the winter but it's much more exhausting and painful to push anything above 69 inches.

But, I think you're just not used to riding fixed. You can actually make yourself a lot slower (as opposed to a FW) by unintentionally resisting the pedal motion, making your legs fight each other and adding resistance.