Problem Solvers Headtube Reducers adapt your headtube to accommodate different fork sizes. These reducers are designed for traditional, external cup headsets.

• Adds 9mm to headset stack height
• 20mm deep, 25mm overall height per cup.
• Measures 49.67 +/- .05 at insertion. This 49.67 measurement is the outer diameter at insertion (not the shoulder).
• Headset sold separately