[marciero]

What would be the benefit or incentive for companies to adopt uniform TA standard(s)? What is more surprising is that there are uniform standards of any sort. Chain pitch comes to mind. AFAIK has always ever been 1/2" or whatever it is. How did that happen? And no one has ever minded that the gear ratio jumps are not constant and get progressively larger with single tooth jumps on the back- particularly wacky for the latter generation of stupid small 9T sprockets. Rims also come to mind. But most rim manufacturers dont make tires, and vice versa, so rim and tire companies were incentivized to have coalesced around standards.