There's a chance that the tubes will work. The Schwalbe AV12 lists 26"x1-1/4" and 26"x1-3/8" (650A sizes) along with 26"x1.5".
I usually try to buy tubes that state my tire size or include it in some range.
__________________
Originally Posted by
chandltp
There's no such thing as too far.. just lack of time
Originally Posted by noglider
People in this forum are not typical.
RUSA #7498