The Shimano Dura-Ace SM-RT900 Road Disc Rotor features Ice Technology ‘Freeza’, an aluminum core clad with stainless steel braking surfaces. The innovative design sheds weight, dissipates heat and dramatically improves overall performance. The lower the temperature the better and more consistent brake performance in all conditions. With an increased surface area for heat dispersion, Shimano’s Ice Tech Freeza rotor has achieved the ultimate in heat control. Now you’ll keep it cool on the downhills, even when the heat is on. Available in 140 or 160mm. CenterLock lock ring included.
Sizes 140mm or 160mm
Weight: 140mm: 96 grams, 160mm: 119 grams