Problem Solver Headtube Reducer 1.5" to 1-1/8" Threadless Features
Problem Solvers headtube reducer cups help, well, solve problems! Problem Solvers Headtube Reducers adapt your headtube to accommodate different fork sizes. These reducers are designed for traditional, external cup headsets. These reducers are sold as a top and bottom pair so you can retrofit your bike to fit the parts you have on hand.