I was older - 7 at the youngest, 10 at the oldest.
This wasn't due to much more than a. my father never let me play outside or with other kids so until my parents devoiced when I was 7 bike-riding was out of the question, and b. we were poor...I was given a rubbish second-hand bike form a girl at school, she was well-off so had gotten two bikes for her birthday, her mother saw me as a charity case, the daughter was annoyed her mother had given her bike away even though she didn't need it, and she was even more annoyed when she found out it had been given to me. It was an old style 3 gear bike, totally unfashionable, in denim blue and towards the end of it's life it made a noise like chitty chitty bang bang...well, without the 'bang bang', I loved that bike and it was my first idea of 'charity = good'.
I learned from a girl a few doors down - no one was friends with her either as her and her family smelled bad, I had lots of smelly friends as a kid as no one else would talk to me, but she was fantastic and much older than me so it was like having a big sister - she did the whole 'You just peddle and I'll hold on, I promise not to let go' then she'd let go.
I loved riding my bike, riding all over the place, getting places faster, teasing boys then cycling away, singing 'Mr Sandman' - not sure why we did this, we just DID, maybe we thought we were in 1950's America *shrugs*
I'd love it as an adult as there aren't many places to walk round here to get out the house and via bike there are a good few places I could go, but I can't afford to buy a bike...plus I'd not feel safe riding on the road, but riding on the path you'd have people who'd be annoyed that you're not on the road or/and people thinking you're 'special' for still wearing a helmet when not on the roads. I don't think you can really get away with not riding on the road if you're an adult, but roads are far too unsafe for bike riders.
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Bloodheart
Good-looking girls break hearts, and goodhearted girls mend them.