Problem Solvers Headtube Reducer (1-1/4" To 1-1/8")

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Problem Solver's Headtube Reducers adapt your headtube to accommodate different fork sizes. These reducers are designed for traditional, external cup headsets. See Cane Creek's Standardized Headset Identification System (S.H.I.S.) here to verify compatibility with your frame.


  • 9mm of headtube reducer fit into frame below lip on reducer
  • Adds 2mm to headset stack height

Fork Steerer Diameter:
Headtube Inner Diameter: EC37 (1-1/4" Traditional)
Stack Height: adds 2mm

Installation Instructions

This product was added to our catalog on June 17, 2016.