SRAM PG-1030 10 speed 11-36 CassetteSRAM PG 1030 Cassettes SRAM 10 and 11 speed cassettes with 11 tooth cogs have the smallest cog located behind the cassette in the packaging Item Specifications Color Chrome Intended Use Road Cassette Spacing SRAM 10 Cassette Body Type Shimano 9 10 SRAM Cassette Cogs 11,13,15,17,19,22,25,28,32,36 Number of Speeds 10 Chain Compatibility Shimano 10,SRAM 10 Range 11 36 SRAM PG 1030 10 Speed Cassette Cassettes UPC: 710845709432