KHE BMX Bottom Bracket US BB 8T 19 mm 4130 CrMo Axle 150 Long Only 548

8 teeth (8T) - 19 mm 4130 CrMo axle Bearing: US BB looseball bearing Axle length: 150 mm, aluminium shells: 51.6 mm (frame dimensions) For frame housing width 68 mm / weight only 548 g Excellent value for money