The Problem Solvers Head Tube Reducers resize your head tube to accommodate different size forks. These fine aluminum reducers are designed for traditional, external-cup headsets. Please contact us for any questions about compatibility with your bicycle.
Features and Information
1 1/4 to 1 1/8 inch adds 2mm to headset stack height
1 1/8 to 1 inch adds 2mm to headset stack height
1 1/2 to 1 1/8 inch adds 9mm to headset stack height