Elevn offers our new Elite Chromoly Cog.
This chromoly rear cog build to hold up to unlimited gate starts, sprints, and holeshots from USA #1 Pros, Olympic Champions, and all around fast guys Connor Fields and Joris Daudet, so you know they can take the power.

Features:
Heat Treated Chromoly SCM440 treated
Shimano compatible and 3/32”
Wide 5mm chromoly cog base for great contact with cassette body and lock mech.

Sizes :
14 – 18 teeth

Color :
ED Black with laser etched logos

Weights :
soon