Problem Solver Headtube Reducer Reduces 1.5" headtubes to 1-1/8" Threadless headset

Problem Solver Headtube Reducer Reduces 1.5" headtubes to 1-1/8" Threadless headset. Problem Solvers Headtube Reducers adapt your headtube to accommodate different fork sizes. These reducers are designed for traditional external cup headsets.