Originally Posted by
wrk101
That's a weird tire size for a Schwinn Sierra. Are you sure they are not 26 x 1.75? Assuming they are 26 x 1.75, I routinely run 26 x 1.25 slicks on these same wheels.
24 inch size is usually on a juvenile (kids) bike.
They are 24 x 1.75. My wife wanted to be able to sit on the saddle and have her feet touch the ground when she was learning.