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Ritchey Pro Logic Zero Drop In Tapered Headset

Great replacement headset that fits many Ridleys and other bikes that require a 1 1/8" - 1 1/2" tapered, integrated (aka "Drop In") headset.


  • Stack Height: 16.9mm
  • Upper Fit (S.H.I.S.): IS44/28.6
  • Lower Fit (S.H.I.S.): IS50/44
  • Upper Bearing OD: 41.8mm
  • Lower Bearing OD: 51.9mm
  • Top Cover OD: 46
  • Bearing: Sealed Cartridge
Item is in stock


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