The SRAM Force eTap AXS XPLR 12 speed Rear derailleur is designed with Orbit chain management technology for efficient and smooth performance. This 1x specific derailleur can be used with 10-44T XPLR and 10-36T cassettes, and features a durable aluminium cage. With a maximum speed of 12, it comes in a stylish Unicorn Grey color with Black/grey graphics.