I reached out to CargoSmart and found that there is no weight capacity rating for the CargoSmart Motorcycle Wheel Chock for E-Track or X-Track Systems # 3481731 since it is only meant to stabilize your motorcycle. The limiting factor would be the E-track in this case.
Assuming you are using the single slot E-track tie-down points like the Snap-Loc E-Track Tie-Down Anchor # SLSB you shouldn't have any problems. Although I do not know the capacity of what you have, each of these has a safe... view full answer...