Fulcrum 4-R3DB-004 Ball Bearing Ring - 4 Pieces CheckoutSpec= Mix Pair Insert Riders can separately tune the

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

Gender/Age Women's Color Stealth Material Synthetic Clamp Style Std Rails Defined Color Black Saddle Cut Out Yes Weight 320 Rail Material Chromoly

Hidden Aero Mo-Mag nipples and slimmer Aero Elliptical spokes in Campagnolo’s G3 spoke pattern further enhance performance

Proprietary blended compound for ultra low rolling resistance and grip

Includes the easy-to-use TwinHead

Fulcrum 4-R3DB-004 Ball Bearing Ring - 4 Pieces CheckoutSpec= Mix Pair Insert Riders can separately tune theFulcrum Hub bearings