Originally Posted by Montana Crossfire

This is a 181mm Pulley which needs to be mounted on your existing 178mm, 181mm or 185mm hub.
This is just the pulley.
This is a fun opportunity to switch and test a different size pulley for those who have wondered about running a 181mm crank pulley.
was installed for only about 2 miles so it is virtually brand new.
$115. delivered.
Mike