Weight: 171 g.
Sizes 160, 180, or 203mm
The innovative Shimano XTR SM-RT99 Ice Tech Freeza brake rotors feature an aluminum core clad with stainless steel braking surfaces. The innovative design sheds weight, dissipates heat and dramatically improves overall performance. The new cooling fins reduce heat by an additional 40 degrees over the RT98. Available in 160, 180, or 203mm. Centerlock only.