Universal 2.5 Race Series 16" Coilover Internal Bypass Rotating RR Shock w/ DSC Adjuster (981-25-607-3)Description Fits: Universal Uncompromised performance through FOXs patented internal bypass technology delivers the feel of near endless suspension travel. Exclusive internal bypass technology allows oil to flow around the piston at some points of the stroke while creating pressure at other points. Combining a race developed shock piston, internal bypass, and Dual Speed Compression adjustment that allows fine tuning for weight, terrain, and speed.