YSS budget cost pair of Twin PRO-X shocks. The shock features a machined aluminium body and can be smoothly adjusted using a threaded pin. Delivered as a set consisting of 2 dampers plus adjustment tool. Technical data: Type: Gas pressure. Upper mount: Diameter of eyelet: 10mm length: 310mm Lower mount: Fork. Fork width: 20mm. Adjustment: Spring preload adjustable. Spring colour: Chrome