Shimano SM-RT64 Deore Disc Brake RotorFeaturing a tough stainless steel construction, this trail-ready mountain bike (MTB) hydraulic disc brake rotor offers powerful and consistent braking performance in all weather and terrain conditions. Shimano has also equipped this model with its Centre Lock brake mount compatibility, which makes installation and removal quick and easy.Centre Lock MTB Disc Brake RotorThe Centre Lock System makes an easy rotor installation possible with a spline mount and a lock ring. The lock ring mounting system reduces the total working hours by shortening the amount of time of both installation and de-installation. In addition, the secure fixing by the spline mount enhances precision and rigidity while improving braking efficiency.Features: Rotor Material: Stainless Steel Series: Deore M6000 Series Use: Mountain Bike (MTB) Brake Type: Hydraulic Disc Brake Mount Type: Centre Lock Brake Pad Compatibility: Resin/Metal pad compatible Size: 140mm Single or Pair: Single Powerful and consistent braking performance Spline mount and lock ring designManufacturer’s Part Numbers: SMRT64SSE Black 140mmA 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.