Hey all. Help needed. I removed an old freehub body to replace with this new one. I was sure to swap the rubber seal, and seat it exactly as the original one was. I didn't see a little metal washer in my original setup, so my first assembly was without it.

Problem: Slight resistance. Enough to mess with the chain (chain suck) as the wheel spins. I hoped it was just as it breaks in, but after spinning for minutes, no luck

I then reassembled adding the washer, thinking perhaps that relieves pressure off of the seal. The reassembled setup showed no less resistance. I also think that the washer separates the seal and makes it more prone to elements (dirt/grime/etc).

The wheel is a 10yr old Reynolds Strike that I love. Swapping the old 10 speed freehub body for an 11 speed. Their customer service recommended this parts kit. Yup, I emailed them back asking for guidance, and also waiting on them.

Thanks in advance for any help/thoughts.