SRAM PG1170 11-Speed Cassette, 11-25T

10 and 11 speed cassettes with 11 tooth cogs have the smallest cog located behind the cassette in the packaging
Aluminum alloy lockring
Cassette Cogs: 11-12-13-14-15-16-17-19-21-23-25
Range: 11-25
Drivetrain Speeds: 11
High Grade Steel that is heat treated and is lighter and stiffer than the competition
11 speed cassette for a drivetrain of 22 usable gears without rubbing or rasp
Weight: 229gm (11-26T)
0.314 kilograms