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if you are not sponsored and actually ride your bikes, why would you need more than 10 speeds?
The ability to replace components quickly with what a local shop might have, or could be cobbled together from what your friends are riding.
Not such an issue if you are happy to bin a ride and head to the train station then wait for the postman to turn up with your obscure parts/ride a different bike.
literally what I was doing but these guys are saying no ^^^^