Includes Blue 1-Piece U-Cup Seal Internal Floating Piston (IFP) | Requires RockShox Specialty Tools to perform Service: Post Bleed Tool, Oil Height Tool, IFP Height Tool | B1 posts have a black return speed adjuster on the remote and "ROCKSHOX" laser etched logos on stanchion by the saddle cradle | Rebuilds IFP, Poppet, Seal Head, Dust Seal, Piston, Brass Keys and Bushing
UPC: 710845783227