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Shimano’s RT81 rotors embody their signature Ice-Technology. Ice- Tech produces 25% more braking power. The 3 layer rotor features an aluminum core between stainless steel. This was done to quickly and efficiently dissipate heat. With better head dissipation, there is more consistent braking power.
Reviewed by 1 customer
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Comments about Shimano SM-RT81 XT Ice Tech Rotor:
The 160 mm XT (rear disc) didn't fits very well in my YETI ARC
140 mm fits better.