Bicycle B.B. cup set, Phillip type, model SC-BB-106, with thread 34.8 mm x 24 TPI BSCY LH-RH, for fitting into the bottom bracket shell of a bicycle frame. The cups seat the bottom bracket bearings and hold the axle in place. It is sold as a set of 3: two threaded cups and a notched lock ring, in a metallic grey finish. Finish options are BCP and ZP. Part numbers: SC-BB-106