Elevn offers our new Elite Chromoly 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.
• Color: ED Black with laser etched logos