Originally Posted by
John Tag
I have found lightly sanding the back of the allum. hexes really helps solve the grinding feeling. After I started doing this there ultra smooth feeling now on front.......
I don't even bother sanding the aluminum hex adaptor, I simply sand the injection molding seam on the plastic hub. Takes two seconds with some light sandpaper.
I found this out swapping hubs between my Type-R and mid-motor JRXS, but it isn't a big deal.