A couple of worthy points there chaps re the feel of the metal roller against the nylon, and the wear considerations.
I like to use my tranny 10/10, so any little improvements/precautions are most appreciated.
Gotta pull 5th gear off to make sure whether it's a X or not.
My bike is a 9/81 build so it should be a pre X.
Lord of the Bings, kangaroo farmer