Pair of Magura MT8 Flat Mount calipers. Work with shimano road and grx levers… well not officially but there are plenty of YouTube videos of people doing it. Chris Froome famously used the combo of dura ace 12 speed and magura calipers. Brake hose not included. Let me know if you have questions. Dura Ace, Ultegra, 105 breaks BR-R9170, BR-R9270, BR-R8170, BR-R7170, BR-RX820,BR-RX810, BR-RX610
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