Rival eTap AXS Rear Derailleur Pulley Kit - Steel bearings - Includes 12T upper and 12T lower pulleys - 18.5mm and 12.9mm steel pulley screws

Disc Brake Adaptors - Includes Stainless Bolts

Power links provide tool free chain assembly. - Chain Compatibility: SRAM - Reusable: No

These are the correct connecting links for SRAM's 12-speed Eagle chains. They are great for installing new chains and fixing chains on the road and trail, too. They come in a four pack, for use with four chains.