RockShox Reverb Inner Sealhead, B1 Seals The Upper Tube From Inner Shaft

Internal components for servicing the Reverb and Reverb Stealth mechanism.Seals the upper tube from the inner shaft as it cyclesFits B1 generation seatpostsB1 posts have a black return speed adjuster on the remote and "ROCKSHOX" laser etched logos on stanchion by the saddle cradle