Paul Components Chain Keeper 31.8mm Black MPFN-01337-06 }SRAM DUB PressFit Bottom Bracket

}SRAM DUB PressFit Bottom Bracket - BB121 121mm MTB Black

while the larger end is used for assembling and disassembling for tubeless Mavic rim inserts

30 small plugs - 3/4" diameter

The system is designed to be used with tubeless-ready or tubeless converted rims and tires and is compatible with tubeless tire sealants

Paul Components Chain Keeper 31.8mm Black MPFN-01337-06 }SRAM DUB PressFit Bottom BracketMachined aluminum Chain Keeper works either as a Singlespeed guide or with a 1X multi speed set up Clamp version mounts to the seat tube in place of the front derailleur and comes in 3 sizes Wide mouthed chain block and adjustable rod allow for precise alignment Use chain keeper extension (PC 2909) to fit some difficult frames (full suspension, tapered seat tube) Not intended for DH, FR, or big hit use Made in USA TECH SPECS model chain keeper mount