Foot.Ball.
It's not what you think. I mean actually put your Foot on a Ball. If you watched the video from the re-re-re-redux blog about how to "hinge" over to get to your handlebar tops and basically thought "yeah, right, gigglesnort..." to yourself, I would not be surprised. Cyclists have notoriously tight posterior chains. To be clear, it's not just your hamstrings or your calf muscles or your glute, it's most certainly a combination of all them including the giant fascial sheet at y