All Zipp road wheels have a maximum system weight limit (this includes the bike, the rider, and all equipment) of 253 lbs./115 kg. The maximum system weights for ZIPP 303S and 101XPLR are 286 lbs./130 kg. This information is published in the ZIPP Road Wheel User Manual.
ZIPP MTB wheels have a max recommended system weight (including the bike, the rider, and all equipment) of 286 lbs./130 kg. More information can be found in the ZIPP MTB User Manual.