RockShox Reverb Dropper Seatpost 200 hour/ 1 year Service Kit Description: The Reverb Dropper Seatpost 200 hour/ 1 year Service Kit will provide the parts necessary to perform the annual service on your seatpost. Routine maintenance on your dropper posts will extend the useful life of the seatpost and help to keep it performing in an optimal fashion. Features: Includes foam ring, inner sealhead assembly, IFP, retaining clip, and o-rings A2 kit fits Reverb posts with black remote adjuster knob Specifications: Compatibility: Reverb A2