This is the fully adjustable Öhlins STX Pro. Building on the success of the popular HD 044 model; this update features a refined all-black design with Öhlins’ signature gold reservoirs and adjuster nuts. It retains the same range of adjustment options; now with black hoses; revamped billet compression adjuster knobs; and the iconic "Ö" logo on the reservoir. The STX Pro offers confidence-inspiring stability and handling; with enhanced bump compliance and an exceptionally plush ride quality. Upgrade your bike with this must-have shock and experience the difference of Öhlins suspension. With ½" ID bushings for easy installation; no sleeves required. The shocks include Öhlins-branded; anodized aluminum bracket arms for rear-mounted installation and a preload adjustment tool. - Black springs - Black body - Piston diameter: 36mm - S: Single tube body - H: Mono type high pressure gas type shock with hose mounted external reservoir - R1: Adjustable rebound damping. Adjuster wheel above the end eye - C1: Adjustable compression damping. Adjuster wheel or slot on the reservoir- L: Adjustable length - Length: 310.5 mm - Oil: Öhlins 1309 - Spring: MCS 962663 / Öhlins 66420-026 - Spring Rate: 26 N/mm - Stroke: 78.5 mm - Blackline with golden reservoir - Adjustable rebound and compression damping - Multiple spring rates available - Hard-anodized; CNC-machined components - Length adjustable by 1/2" (51mm) - High-pressure nitrogen gas charged - Adjustable preload with b