Produktnavn Headset Syncros Press Fit 1-1/8''Range of us Scale Alu 2010 and olderMateriale AluminiumBearings Sealed cartridgeUpper fit (S.H.I.S.) ZS44/28.6Lower fit (S.H.I.S.) ZS44/30Upper HT OD/ID 50/44Lower HT OD/ID 50/44Weight 110g