Here you will find forks compatible with your Jones Bikes framesets and complete bikes.
Click the links below to go to the parts of videos where Jeff describes the benefits of the Jones Truss Fork:
Jeff Describes the Truss Fork Design
Design and Suspension Comparison
Flex, Stiffness, Strength, and Wheel Size
Jones Bikes Unicrown Forks video which also includes Truss Fork information:
Jones Bikes Unicrown Forks Video