Replacement hose connector for Tektro and TRP Twin brakes. Fits Tektro HD-T525 Auriga Twin, Tektro HD-E525 Auriga Twin, Tektro HD-T745 Auriga Twin+, Tektro HD-E745 Auriga Twin+, Tektro HD-E545 Auriga Twin and Tektro HD-T545 Auriga Twin.