SRAM S4 Stainless Steel Disc Brake Pad Pin Kit Description: The SRAM S4 Stainless Steel Disc Brake Pad Pin Kit is designed to secure the disc brake pads within select SRAM hydraulic disc brake calipers. A couple of snap retainers are included with the stainless steel threaded pins to ensure the brake pads and pins stay within the calipers during operation. Specifications: Compatibility: All SRAM Code A1-C1 Hydraulic Disc Brake Calipers | All SRAM G2 A1-A2 Hydraulic Disc Brake Calipers | All SRAM Guide B1 Hydraulic Disc Brake Calipers | All SRAM Level C1 4-piston Hydraulic Disc Brake Calipers Each Order Includes: (2) SRAM S4 Stainless Steel Disc Brake Pad Pins (2) Snap Ring Retainers