The rims on the Raleigh Marathon I just acquired are marked Araya 1-1/4" but they have 1-1/8" tires on them. If 1-1/8 is thin enough, you could try them on the existing rims. If they don't seem to fit right, then worry about getting narrower rims.
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I stop for people / whose right of way I honor / but not for no one.
Originally Posted by
bragi 
"However, it's never a good idea to overgeneralize."