Upgrade your cyclocross or gravel bike with this Shimano Groupset GRX RX820. The set includes a brake set, chain, rear derailleur, crankset, cassette/freewheel, and shifters, perfect for building a complete bike. Designed for adventure, this 1 x 12 groupset delivers reliable performance and smooth shifting. The brand's commitment to quality is evident in every aspect of this kit, ensuring a top-of-the-line cycling experience. Don't miss out on the opportunity to enhance your ride with this Shimano Groupset.