Full Stop semi-metallic disc brake pads offer the best features of organic and sintered pads and excel for all-round use. They offer improved braking performance and less noise with excellent initial bite and modulation. Full Stop DP301 pads fit the following disc brake systems: Clarks: CMD-24, HDB-520, HDB-600, HDB-790 Shimano: M535, M545, M585, M595, M596, M601, M665, M765, M775, M776, M800, M965, M966, M975, R505, S500, S501, T605, T665