Marc_Garoutte Added a comment about press release The Trail Party Series Introduces Gravity Stage Racing 2/7/2019 10:24am Race Cascadia had a rule last year that if your bike has a dual crown fork it is ineligible for competition. I contacted them and they say that will most likely remain the rule for the Full Tilt Series. Votes: You must have JavaScript enabled to use this form. 1 Save This press release has 19 comments.