[kjsayers]

Hey guys I know this is pretty elementary, but my bike will not shift in the rear big cog. What do I need to do to correct this? I didn't want to just start turning screws and barrells.

BTW I run a 1x9.

 

[jmk999]

Doctors have a saying: "If you hear hoofs, think horses not zebras."

In other words, while there are any number of explanations, start by looking at the obvious stuff.

And the most obvious is the low gear limiting screw on your rear derailluer. Trying turning the screw counter clockwise a couple rotations.

If that doesn't work, check to make sure the cable is too tight. Next up, check to make sure the derailluer hanger isn't tweaked. Bet it'll be one of those three possibilities.

 

[kjsayers]

Thanks bro. I'll give it a try in that order. I just wanted somewhere to start and not start by turning something that dosen't need to be turned.