Shimano RT-MT800 Disc Rotor Centre Lock Internal Serration Lock Ring No PackagingSHIMANO's DEORE XT RT RT800 compact and lightweight disc brake rotors feature rapid heat dissipation thanks to ICE TECHNOLOGIES FREEZA heat management system. Installing and removing the rotors is quick and easy with SHIMANO's CENTER LOCK design. Features Advanced heat sync design reduces brake fade. New disc brake rotor construction boosts heat dissipation and reduces fade ICE TECHNOLOGIES FREEZA Easy disc brake rotor installation with spline mount

Cascaded features from top-tier systems

meeting the highest industry standards

it's on par with Shimano's premium Ultegra & Dura-Ace cassette efficiency and performance - the one detraction is the slightly heavier weight

versatility

It still features all of the Body Geometry design characteristics you know and love

DEORE XT M8100 Series

SHIMANO XTR RT-MT900 disc brake rotors deliver superb stopping power for the most aggressive riding

This economical

Model: CS-5700

Quieter control for any terrain

The conventional approach to helmet design is that more foam (EPS) means better energy management

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