Shimano XTR RT-MT900

The Ice Technologies FREEZA design uses a specialized aluminum core and fin structure to dissipate heat significantly faster than standard rotors. This prevents brake fade on long, aggressive descents, ensuring your stopping power remains consistent from top to bottom.

Yes, the RT-MT900 is fully compatible with both metal and resin brake pads. This versatility allows you to choose the pad compound that best suits your riding conditions without needing to change your rotor setup.

Yes, because it uses Shimano's Center Lock mounting system, you will need a standard external-bottom-bracket tool or a cassette lockring tool to tighten the lockring. This system is generally faster and more secure than traditional six-bolt setups.

Yes, the necessary lockring is included in the box. You won't need to purchase any additional mounting hardware to install it on your Center Lock hub.

The two-piece design separates the braking track from the carrier, which allows the rotor to manage thermal expansion more effectively. This reduces the risk of warping under extreme heat and helps keep the rotor running true over time.