Shimano XTR SM-RT99 Freeza Center Lock Rotor - 203mm

Item: SH-RT99203-BASE
SAVE 38% $49.99 MSRP $79.99
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At Shimano, engineers stop at nothing to make the new generation of components smarter, faster, lighter, and stronger. The new XTR SM-RT99 Freeza Rotors use the IceTech aluminum core clad in stainless steel, but take it a step further with the aluminum core flowing out into the center of the rotor in the form of Freeza cooling fins, a system that further discourages heat radiation. This means an incredible 150° of cooling with the RT99 rotor compared to a standard steel rotor...and throw in some finned brake pads; they can further reduce heat build up by another 50°. The bottom line is modulation unaffected by heat, eliminated brake fade, and fingers that stay chipper all the way down the mountain.
  • IceTech aluminum core revolutionizes heat management
  • Aluminum core shaves grams
  • Smooth, consistent modulation keeps fingers from getting fatigued
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