The SRAM PG-1130 Cassette features heat-treated steel cogs with an aluminum spider, making it compatible with PC 1170 and PC 1130 chains. It uses the PowerGlide tooth profile for fast and accurate shifting. This cassette is constructed from steel, which contributes to a lower cost while maintaining performance. It is available in various sizes including 11-26T, 11-28T, 11-32T, 11-36T, and 11-42T, and comes in SILVER and BLACK colors. The weight varies depending on the size, with the 11-26T weighing 260g, 11-28T weighing 271g, and 11-32T weighing 310g.