The Facts: TWINCAM ABEC 1 through 7 are made with the highest quality military grade Chrome steel available (SAE 52100). All TWINCAMS use only up-grade Steel balls to handle the hostile environment found in in-line skating. All cages are highly polished brass for minimal wear and resistance. Inner and outer races are undercut to keep lubricants in and keep contaminants out. Superior lubricants insure a longer lasting bearing with less maintanace. Data shows that TWINCAMS exclusive Superfinishing of raceways provide a smoother ride, with superior side load capabilities. Leading supplier to high quality skate manufacturers. |