Do they have a heat treat on them? If they replace them I would think of heat and/or cryo treating them. Just as an added precaution
no they were not heat treated, but they are breaking waaay to easily. i would like to get a chromoly set this next time around. maybe if i am willing to spend some money with marlin and upgrade to the chromoly ones they will be more willing to warranty my broken
![Pokinit :pokinit:](https://board.marlincrawler.com/Smileys/marlin/pokinit.gif)
.
I've beat on my 21 spline inchworm 5 to 1's with no issues, and they are supposed to be weaker. ![I Dunno... :dunno:](https://board.marlincrawler.com/Smileys/marlin/dunno.gif)
but then again I have like 75 horsepower and smaller tires.
those would be advanced adaptors gears. they are the only company that makes 5:1 gears i think. maybe inchworm just sells them?