What do I do if I need to cancel my order? Billy McClennan December 03, 2018 14:58 Updated Follow Please fill out a request form and a member of our team will get back to you. Related articles What do I do if I have a problem with my order? I am purchasing for an academic institution and require an invoice before purchasing. How do I obtain one? I don't live in the US, can I still order the Hex? What is the difference between the interval and endurance data fields? What gives our muscles energy? Comments 0 comments Article is closed for comments.