New! Shimano GRX RX600/810 Mechanical 11-Speed Disc Brake Mini Groupset
Front Derailleur: Shimano GRX FD-RX810. Rear Derailleur: Shimano GRX RD-RX810. This derailleur is compatible with up to a 34t cassette. Calipers: Shimano GRX BR-RX400 disc brake calipers. Hydraulic cable lines attached to the calipers.