What is the Max User Weight of the 4iii Fliiiight Smart Trainer? June 09, 2020 15:18 Updated The Fliiiight was designed to safely support any weight that a bicycle could support as well. Related articles A Beginner's Guide to Smart Trainers Fliiiight Set-up videos How is Fliiiight different from the STAC Zero Trainers? What are the main advantages of Fliiiight compared to other trainers? Interpreting the trainer lights Comments 0 comments Article is closed for comments.