Park tool headsetbmx bb bearing cup press hhp3as a manufacturer of bicycle specific tools since 1963 you can safely rely on park tools many years of experience the worlds largest bike tool manufacturer is the first choice of professional and home bicycle mechanics around the world featuressimple and economical the hhp 3 is designed to install all sizes of head cups and one piece bottom bracket cupswill also press bb30 and bb90 bb86 or bb92 system cupsthe thread of the hhp 3 is 58 16m