You shouldn't need a spacer behind that cassette which explains why it's too wide with one. Since you are having trouble locking the cassette down without the included spacer I would try a much thinner one, you can get them in various sizes, search bottom bracket spacers, it's the same diameter.
Joe Bernard On Monday, April 21, 2025 at 2:21:57 PM UTC-7 Glen wrote: > A plea for help to the more mechanically inclined on here. (Paging Bill > Lindsay!) > > I am changing my Toyo Atlantis from a 3x9 to a 2x11, replacing the outer > ring on my Sugino triple with a chain guard and the inner 36 to a 38 and > the rear 11x34 9sp with an 11x34 11sp. I will use a Silver 2 on a thumbie > to shift the LX rear derailleur. > > The original cassette was a Shimano HG61-9 and the new one is a Shimano > HG700-11 (105 level - see here > https://www.competitivecyclist.com/shimano-105-cs-hg700-cassette) which > is supposed to drop right onto my 10ish year old Shimano LX hub. > > With the included spacer installed the smallest cog doesn't "engage" and > the lock ring will not reach the hub threads. I've pulled my remaining hair > out over this. Without the spacer there is play in the cogs with the spacer > I can't get it to sit low enough to engage the lock ring. > > Any insights? Did I possibly install a spacer upside down (is that > possible)? Do I need a different mountain hub spacer than provided by > Shimano with the cassette? > > I don't want to revert back to the 9sp as I'd like to keep the tighter mid > cassette gearing of the 11sp. Promise pictures when this is complete and > thanks to the group for the Billy Bars and Antelope Hills I was able to > pick up at a good price. > > thanks > Glen > -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion visit https://groups.google.com/d/msgid/rbw-owners-bunch/ef9c28da-511b-4066-98f5-9fa6ec787c7dn%40googlegroups.com.
