Welcome Margarita.
I'm 60 and would suggest you look at Ti or CF for a comfortable ride.
My road bike (see below) is Ti and I
it.
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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.