Flat Bike Tires

Start and complete it with Mr. Jo in Yu Garden.

Requirements

Accept the [Flat Bike Tires] quest?

What in the blazes could Hui Koon Kit want to start a Bike Tire for? Better not dig too deeply into it.

Right, you can get them by hunting Bicycle Ghost monsters at Busy Street or Eastern Hotel District. Good luck!

You're not quite ready for a quest like this...

Hey, you're back!

I'll give you your reward, then. Nice work.