Hope tapered integral zs44 zs56 headsetthe hope tapered headset is designed to fit frames which are sized to accept integral 1 18 top cup and 1 they include replaceable custom made stainless steel bearings the cups taper ring and crown race which is split for east installation and removal are all machined from 2014 t6 aluminium as you might have worked out by now headsets are a bit of a minefield integrated integral reducers dimensions and types all contribute to confusing the situ