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Riders can separately tune the tires grip and internal support through a dual-valve design allowing for lower tire pressures and ride characteristics that would not be possible with a traditional tubeless or foam insert set-up
5 Manufacturer Number 21531 Material Steel Thickness 7
Proprietary blended compound for ultra low rolling resistance and grip
8 inch x 5
Fulcrum 4-R3DB-004 Ball Bearing Ring - 4 Pieces CheckoutSpec= Mix Pair Insert Riders can separately tune theFulcrum Hub bearings
