SRAM PG-1170 11-32 11-Speed Force 1 CassetteSRAM PG 1170 Cassettes SRAM 10 and 11 speed cassettes with 11 tooth cogs have the smallest cog located behind the cassette in the packaging Item Specifications Intended Use Road Cassette Spacing Shimano SRAM 11 Cassette Body Type Shimano SRAM 11 Number of Speeds 11 Chain Compatibility SRAM 11 Range 11 32 SRAM PG 1170 11 Speed Cassette Cassettes UPC: 710845728259