Shimano SM-RT56 6-hole disc suitable for Shimano SLX/Deore level brakes. Made of one-piece moulded stainless steel, which has also been heat-treated and polished. Can be used for XTR, XT, SLX, Deore and many other brakes from the MTB, touring and city use. Note that RT56 is only compatible with organic brake pads.Features Available in 180mm and 160mm Rotors For use with resin pads only 6 Bolt About ShimanoEstablished in Japan in 1921, Shimano is the worlds largest bicycle component manufacturer. Whether it be drive systems, brakes, pedals or shoes, Shimano stands for reliable quality and performance. From Road & Gravel to Mountain, Touring & Urban use, Mechanical or Electric.