CASSETTE SRAM PG-1170 11-26 11S.

Cassette design for high shifting performance with a quieter chain/cassette combination. Semi-spidered design: light, strong, efficient.16T cog (except for WiFLi: 14T). 231g (11-25).Gear ratio: 11-26: 11,12,13,14,15,16,17,19,21,23,26. Semi-spidered steel cogs. Material Heat Treated Steel Cog Cluster, Aluminum Spider (3 cogs). Recommended Chain: SRAM RED 22 chain, SRAM PC-1170 chain. Lock Ring Material: Aluminum.