Product Description Shimano olive + insert + connection bolt for BR-M4050 - hose connection set Shimano olive, insert, and connection bolt for BR-M4050 form the hose connection set for Alivio BR-M4050, Acera BR-M3050, and the groupless disc brakes BR-MT500, BR-MT200, BR-M365, BR-M315, and BR-RS785. They are also compatible with the flat mount brake calipers BR-RS805, BR-RS505, Metrea BR-U5000, and BR-UR300. All these models require brake hose SM-BH59. Compatibility: BR-M4050 BR-M3050 BR-MT500 BR-MT200 BR-M365 BR-M315 BR-RS805 BR-RS785 BR-RS505 BR-RS405 BR-U5000 BR-UR300 Manufacturer Number: Y-8AL98020 Contents: 1 x connector / compression nut Shimano 1 x Shimano olive 1 x Shimano insert pin Manufacturer: Shimano Europe B.V. High Tech Campus 92 5656 AG Eindhoven Netherlands info@shimano-eu.com