Upgrade your bike with this new SRAM Eagle XX1 Groupset. With 12-speed capability and a 10/50 cassette/freewheel, this build kit/gruppo is perfect for road bikes, cyclocross bikes, downhill bikes, gravel bikes, electric bikes, trekking bikes, mountain bikes, and fat bikes. The black & Gold color provide a sleek and durable component set that is compatible with SRAM and a great addition to any cycling enthusiast's collection. This set includes a rear derailleur, shifters, and a cassette/freewheel. Made in Taiwan, this high-quality SRAM Eagle XX1 Groupset is sure to enhance your bike's performance and take your cycling experience to the next level. Not in original packaging.  REQUIRES XD DRIVER FOR CASSETTE!