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Facts Sheet-

Usage: Road Bike
Rotor Ø(mm.):140mm & 160mm for option(2 pcs per order)
Material: Aluminium, Stainless Steel
Mount type: Center lock
MPN: KRTCL900SSI & KRTCL900SI 

With the aim of preventing heat-induced deformation, Shimano has reinforced the alloy carrier and optimized the arm shape in the RT-CL900 brake disc. The result is not only a smoother, but also quieter braking experience. With the help of the proven Ice-Technologies Freeza design, the disc at the level of the Dura Ace R9200 series provides first-class, consistently stable braking performance even on long and steep descents.