· 【Can Be Changed Several Times】2 x 60ml bottles of DOT 5.1 brake fluid.· 【Compatible Models】 Compatible with Avide, Codes, Guides, Levels, eTap，HRD, Apex.· 【Metal Connectors】The brass connection is not easy to break.· 【Instructions Included】 Very easy to follow and use.· 【The Great Value That】Attractive option for those who want to maintain their brakes effectively without spending too much money.