RockShox 2010-2012 Reverb Full Service Kit (includes new, upgraded IFP), A1 A1 posts have a silver return speed adjuster on the remote and no laser etched logos on stanchion by the saddle cradle For "A1" designated posts, 2010-2012 Includes version 2 of the Black 1-Piece U-Cup Seal Internal Floating Piston (IFP) Rebuilds IFP, Poppet, Seal Head, Dust Seal, Piston, Brass Keys and Bushing Requires RockShox Specialty Tools to perform Service: Post Bleed Tool, Oil Height Tool, IFP Height Tool