Natasha turns as soon as she hears the engine - even in the Metal Sector, bikes are uncommon enough that it's worthy of note - and she pulls to a stop when she sees just who's on the bike, well before he actually makes it to her side. There's a hint of surprise on her face as she takes in Bucky, and the bike, and a momentary pause before she actually answers his question.

"As long as you take it slow. I only have one arm to hold on with at the moment."