AheadSet ZS Zerostack Internal 1-1 8in Threadless Bike Headset Sz 39448 B003YMJT30

  • $519.76 $551.96
  • Availability: In Stock

  • Product Code: B003YMJT30


  • The compression ring is integrated into the top cover creating one simple, light part

  • LubeAlarm seals audibly alert the rider when more grease is needed in the headset, extending headset life

  • Features 1-1/8" high-complement caged ball bearings

  • The cone and crown race are the same part creating mirror top and bottom cup assemblies

  • Bearing Type: Cup and Cone

  • The Zero Stack features cups and cones that work together with a simple O-ring to seal out contaminants and increase the headset's life expectancy.

    • The compression ring is integrated into the top cover creating one simple, light part
    • LubeAlarm seals audibly alert the rider when more grease is needed in the headset, extending headset life
    • Features 1-1/8" high-complement caged ball bearings
    • The cone and crown race are the same part creating mirror top and bottom cup assemblies
    • Bearing Type: Cup and Cone
    • Crown Race: 30
    • Lower Stack Height: 5 mm
    • S.H.I.S Lower: ZS44
    • S.H.I.S Upper: ZS44
    • S.H.I.S. Stem Clamp Diameter: 28.6
    • Upper Stack Height: 10 mm
    • Weight: 130 g

    AheadSet ZS Zerostack Internal 1-1 8in Threadless Bike Headset Sz 39448 B003YMJT30