[She spins the front tire aggressively with her fingers. It rotates freely, from where the bike is hanging in its storage rack, with a pleasant sort of whir.

Then she gives him a Look.]

Yeah. It's not like they just stopped existing after the Infection, it's more like... you blow a tire, break the chain... that's it. You're never gonna get another one. Rubber's rationed to the military, they use it for their tires, so-- who cares about bicycles anymore.