Zeno ReactionEX Floating Centrelock Disc Brake Rotor - 180mm - Centrelock - Standard - 1.8mm - 1.9mm Dropship Buttercups are mounted at the

Buttercups are mounted at the base of both the spring and damper assemblies

Cons: More adjustment options means more potential to totally mess things up

without sacrificing speed or grip

You can run remarkably low tyre pressure with these

Zeno ReactionEX Floating Centrelock Disc Brake Rotor - 180mm - Centrelock - Standard - 1.8mm - 1.9mm Dropship Buttercups are mounted at theThe Zeno ReactionEX is a high end floating disc brake for cycling. Features The Only Truly Floating Rotor for Bicycles: The new design allows the rotor to automatically align, ensuring the brake pads grip perfectly on the rotor, providing stable braking force every time. Efficient Torque Conduction: The special design ensures that braking power is directly and fully transmitted to the bicycle, reducing braking noise. Reduced Heat Damage: The new