Hi Jonathan and welcome
from a 60 y.o. bike commuter.
There are lots of friendly folks here to answer most of your questions. So ask away --- in the appropriate forum of course.
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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.