Why isn’t the Rudy Ultimate XPLR fork carbon? We found that we could offer the best balance of weight to stiffness using magnesium lower legs, hollow and machined alloy crown, and a tapered alloy steerer. Related articles How did you settle on 30 or 40mm of travel with Rudy XPLR? What is the max system weight for the RockShox Rudy? Do I need special caliper mounting bolts for the RockShox Rudy XPLR? Why would I want to add the extra weight of the RockShox Rudy XPLR to my gravel bike? Do RockShox forks have a rider weight limit?