Designed, tuned, and assembled in the USA, the Grip ST adjustable fork cartridge is the latest addition in our performance V-Twin lineup. The Grip ST offers three-position compression and rebound adjustments on the top caps, allowing you, as the rider, to make adjustments on the fly without the need for any tools. This drop-in open bath cartridge kit is our highest-end fork cartridge kit that you can pair with our QS3/QSR rear shocks to push your Harley to its ultimate potential.