The Profile Elite cog will only fit Profile cassette hubs. This cog is "lightened up" version of the standard Profile cog. It is CNC machined from heat-treated 4340 aircraft alloy steel and zinc coated for a smoother, tougher finish. It is designed for use with 3/32" chains.
Size: 17t
The item photo is a stock image. You will receive the size described above.
