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1-1/4" Baseplate for InSet™ 8, Tapered NoThreadSet™, and 1-1/4" NoThreadSet™. Any of our headsets that are equipped with a 1-1/4" lower bearing and being used with a 1-1/4" steerer tube.

  • PHS434
  • Sized for the 1-1/4" steerer tube crown race seat of 33.1mm
  • Devolution™ baseplates are available to use a 1-1/8" steerer tube with a 1-1/4" lower press in cup headset

    Product Specifications

    1-1/4" Baseplate for InSet™ 8, Tapered NoThreadSet™, and 1-1/4" NoThreadSet™. Any of our headsets that are equipped with a 1-1/4" lower bearing and being used with a 1-1/4" steerer tube.

    • PHS434
    • Sized for the 1-1/4" steerer tube crown race seat of 33.1mm
    • Devolution™ baseplates are available to use a 1-1/8" steerer tube with a 1-1/4" lower press in cup headset
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