This is patently untrue. Men with low testosterone still have the male body advantage that male puberty has given them whether it's upper body strength, bone strength, muscle mass, heart and lung capacity. Testosterone has already done its work by the time a male reaches 18/20.
It's laughable that 6ft 2" York thinks that both he and 6ft 2" Emily Bridges have no innate advantage over women cyclists because, well, sometimes women are tall too.
Thank God he didn't get to be a British Cycling advisor in the end. He would have been another activist 'expert' cementing unfairness for women and girls into national policy.
If our sports organisations hadn't (mostly) come to their senses we'd be in the same position as USA Cycling, with males regularly taking podium places from women and girls. Even when there's an Open or mixed sex category these men choose to enter the Women's class.
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