Full Stop alloy-backed, semi-metallic disc brake pads are lightweight and excel for road riding or XC racing. They offer improved heat dissipation and reduced brake fade with excellent initial bite and modulation.Full Stop DP335 pads fit the following disc brake systems:• SRAM: Apex 1 HRD, CX1, eTap HRD, Force 1 HRD, Force 22 HRD, Level TLM, Level Ultimate, Red 22 HRD, Red eTap AXS HRD, Rival 1 HRD, Rival 22 HRD, S700 HRD, S900 HRD