Answer Mini Cassette Cogs are CNC machined from 7075 aluminum. The extra machined holes help eliminate unnecessary weight. Fits Answer Alumilite cassette hubs along with other threaded cog compatible hubs.FIT: Thread on type, designed for Answer and AC cassette hubsCHAIN FIT: 3/32″ recommended (1/8″ can be used as well)
MATERIAL: AluminumWeights13T: 0.35oz/10g
14T: 0.42oz/12g
15T: 0.49oz/14g
16T: 0.56oz/16g
17T: 0.63oz/18g
18T: 0.70oz/20gImage is not representative of the cog you will be receiving, the 16t is used as a cover image.