All-City Space Horse GRX – Like new, size medium (52/54.5cm)

I bought this All-City Space Horse new in September and have ridden it less than 200 miles. I'm selling it because of a move, but it's a fantastic all-around bike — super versatile for gravel, touring, commuting and just about anything else. In All-City's unusual sizing, this is nominally a 52 cm frame, bu...