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 DP307 pads fit the following disc brake systems: Hayes: CX Comp, CX Expert, CX Pro, CX5, GX2, MX Expert, MX2, MX3, MX4, MX5, So1e