Rear cassette sprocket
Teeth (OPTIONAL): 12T OR 14T OR 15T
Fits chain size: 1/2 x 3/32"
9-spline type
For 7/8-speed drivetrains
Weight: 13 g (12T) / 28 g (14T) / 36 g (15T)
Compatible with standard Shimano/SRAM 7/8-speed cassettes, which uses 9-spline mounting on hub