Originally Posted by NoWhammies

I don't think have rebuilt the cassette improperly with spacers as the chain shifts smoothly between the cogs. It's just the final, largest one that is giving me issues.

When I first put the wheel on the bike, the chain wasn't even seating in the largest cog. The chain was just riding up above on top of the teeth. It was only after taking the cassette off, re seating it, and tightening the lock bolt that the chain and teeth lined up.