Castle Pines Village is a newer build than most of what we cover - the median home here went up in 2001, a couple decades younger than the broader service area, where the typical house dates closer to 1980. That matters for rollers. Houses from this era mostly shipped with steel rollers on nylon bushings or early sealed-bearing rollers, not the plain steel-on-steel rollers you'd find in an older 1970s tract house. Those roller styles wear differently, and they fail for a different reason: not rust from age, but the plastic bushing drying out and cracking, or the bearing seizing after years of use.
The area also sits in a cold-severe climate band. Nylon rollers get brittle in low temperatures, and a brittle roller that's already worn from ten-plus winters is the roller that shatters on a January morning, usually on the panel closest to the header where the door takes the most flex. If your door is grinding, hopping in the track, or making a rhythmic thunk once per rotation, that's a roller edge going flat, not a spring or an opener problem.