Kayaba's "A-Kit" fork with High Speed Compression adjuster. Take a look at the image. Those are high-end, "A-Kit" style fork caps, and that "COMP HIGH" dial is the holy grail of tuning. On a fork like this, having a dedicated High-Speed Compression (HSC) adjuster is a game changer. It allows the fork to stay plush and sensitive over small chatter while providing a massive "safety net" for the big stuff—over-jumped triples, flat landings, and those nasty square-edge holes that