Sorry you didn't get a bike that felt right. Can you return the 26" and go to a real bike shop for help getting you on the correct bike. They'll do all the fitting with the purchase. Or maybe visit a few bike shops. Let us know what happens. Good luck.
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The Lord is merciful and gracious, slow to anger and abounding in steadfast love. - Psalm 103:8
I am a cyclist. I am not the fastest or the fittest. But I will get to where I'm going with a smile on my face.