What are the dimensions of the training mat? Philip Cowles March 30, 2018 17:23 Follow The CycleOps training mat is 64” by 36.75” and is 4 mm thick. Related articles What types of flooring can the training mat be safely used on? How tight should the resistance unit be up against my rear bicycle tire? Can I ride your trainer tires out on the road? Comments 0 comments Please sign in to leave a comment.