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-M4050BR-M3050BR-MT500BR-MT200BR-M365BR-M315BR-RS805BR-RS785BR-RS505BR-RS405BR-U5000BR-UR300Manufacturer Number:Y-8AL98020 Contents:1 x connector / compression nut Shimano1 x Shimano olives1 x Shimano insert pin Manufacturer: Shimano Europe B.V. High Tech Campus 92 5656 AG Eindhoven Netherlands info@shimano-eu.com