TRP-29 - Slotted Stainless 6 BoltTRPs slotted rotor is designed for the most demanding riders in the most demanding conditions. Six recessed slots create channels to allow water, mud, and other debris trapped between the pad and rotor to escape during braking. When debris gets trapped between the pad and rotor braking power is dramatically reduced, these recessed slots maintain a more consistent brake feeling in mixed conditions. Upgrade the stopping power and heat dissipation by increasing the size of your rotor giving you more surface area and leverage.TRP-25 - Slotted Stainless 2 Piece CentrelockTRPs slotted rotor is designed for the most demanding riders in the most demanding conditions. The aluminium spider gives superior heat dissipation and excellent stiffness. Six recessed slots create channels to allow water, mud, and other debris trapped between the pad and rotor to escape during braking. When debris gets trapped between the pad and rotor braking power is dramatically reduc