Can I use this on my XC hardtail? August 10, 2021 13:23 Updated The Rudy fork will not fit on a cross-country bike. Related articles What are Rudy’s service intervals? Can I tune the bottom out on this fork with tokens like other RockShox forks? What is the largest tire size I can use with this fork? My frame came with a ridged fork. Will adding a suspension fork void the warranty on my frame? What size disc brake rotors are compatible with Rudy? Comments 0 comments Article is closed for comments.