Hope Centrelock Internal Lockring - Blue FE Sport Waterproof material is sonically welded

Waterproof material is sonically welded and seam sealed to repel weather

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Hope Centrelock Internal Lockring - Blue FE Sport Waterproof material is sonically weldedLockring designed for use with our Centrelock rotor, also compatible with other manufacturers rotors. Both internal and external options available. Specifications CNC machinedInternal lockring for use with axles up to 15 mmExternal lockring for use with axles up to 20 mm Mfr Claimed Weight 9. 5g