TRP Slotted Rotor. Features: Stainless steel rotor with six recessed slots Channels allow water, mud, and other debris trapped between the pad and rotor to escape during braking for a more consistent brake feeling in mixed conditions IS 6-bolt pattern. Includes T25 Torx wrench and 6 mounting bolts. 117g (160mm) Available in 140mm, 160mm, 180mm, and 203mm