While bicycle gearboxes date back to at least the 1920s, they’re relatively unseen in bike racing. One exception is Honda’s race-winning mid-drive gearboxes, and [Alee Denham] gives us a look ...

Participants Convenience sample of six male recreational cyclists. Intervention Compression of the corpus spongiosum and corpora cavernosa of the perineum without bicycle seat pressure (0%) and at 10% ...