One Up Components Dropper Post V3 Rebuild Kit Drop It Like It's Hot The One Up Dropper V3 is a high-performance dropper post, and keeping on top of servicing it is key to retaining that performance. This rebuild kit includes all the bushings and seals you'll need to perform a complete service, restoring smooth actuation and eliminating side-to-side play as your post accumulates hours on the trail. Features Complete rebuild parts setincluding brass and polymer guide pins, mid cap assembly, mid cap seal, bushings, and cartridge spacer Restores smooth, low-friction actuationand eliminates play from a worn post Compatible with One Up Dropper V3in 30. 9, 31. 6, and 34. 9mm diameters (not compatible with 27. 2mm)Simple at-home serviceusing basic tools and a light suspension grease like Slickoleum SPECIFICATIONSIntended Use One Up Dropper V3 Service and Maintenance Included4x brass guide pins, 2x polymer guide pins, 1x mid cap assembly, 1x mid cap seal (dustwiper), 1x upper bushing, 2x lower bushings, 1x cartridge spacer Compatibility One Up Dropper V3, 30. 9/31. 6/34. 9mm diameters | Oneup Components | Dropper Post V3 Rebuild Kit For 30. 9/31. 6/34. 9 Seatposts