1/Piece Crank Bearing 5/16×9. for bicycle crank, bike crank, lowrider bikes, beach cruiser, limos, stretch bicycles Review Posted by GiantPandaisy May 24, 2018 in Drivetrain Components This fits your . Make sure this fits by entering your model number. Crank Bearing 1 PC Crank 9, 5/16″ Balls Crank, Fits 1/Piece, Ball Size 5/16″, Balls 9. Cycling Fenix Outdoor Recreation Parts & Components Sports & Outdoors