dude, cleaned my k-set at lukes house, that shit was filthy  so shiny, you're going to look so pro, did you use lukes tools?
the rear gears on a bike, not including the free hub or the wheel itself
"dude, cleaned my k-set at lukes house, that shit was filthy  so shiny, you're going to look so pro, did you use lukes tools?" What is the definition of "k-set"?