Visit a few bike shops and test ride the bikes that you like. Then you'll have a much better idea of what bike to save for and you'll know how much you'll need to save.
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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.