Loose ball BB REF#: 111202 Bottom Bracket Set 3/Piece Crank 1.37x24tpi Chrome. Neco Set of: 5 pcsSize: 137x24TBall Retainer: 1/4 x 9Shell: 65mmInterface: 24 tpiMaterial: SteelColor: ChromeBrand: Neco Sign In to view pricing and availability