Litzenberger, Stefan, Duc-Minh Tran, and Frank I. Michel. “Longitudinal Bending Stiffness of Cycling Footwear - What Is Stiff Enough?”. Journal of Science and Cycling 12, no. 2 (October 23, 2023): 44-47. Accessed May 25, 2024. https://jsc-journal.com/index.php/JSC/article/view/835.