Yes, 21mm width is fine with 32mm.
Smallest I go is 28mm which have exactly the same shape as a 23mm on 17mm internal.
Cheers. Although I didn't realise 650B came in anything below 32mm.
They don't, the 28mm was on a 700c.
@hugo7 started
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Yes, 21mm width is fine with 32mm.
Smallest I go is 28mm which have exactly the same shape as a 23mm on 17mm internal.