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Building up a new ride or replacing a tired worn out lower assembly? PRO has you covered with their Sealed Cartridge headsets. These bottom assemblies are the perfect combination of value and quality. With durable and replaceable cartridge bearings you'll be covered for seasons of use! Please note: If you're unsure of the correct size check your owner's manual or view our blog to learn how to identify the correct headset. IS52/40: Made for frames where the bottom bearing sits directly into the frame without a bottom cup and 1.5 Inch or Tapered Steerer Tubes. IS52/40/H1 IS - Integrated Bottom Head Tube Inside Dia. 52.1mm Crown Race Seat Dia. 39.79mm EC34/30: Suit frames with a 34mm internal diameter bottom and 1 1/8' steerers only . EC34/30. EC - External Cup IS41/30: For frames is with 41mm internal bottom diameter. 1 1/8' steerers only . IS41/30 IS \u2013 Integrated or Drop Fit ZS44/30: For frames with 44mm internal bottom diameter and 1 1/8' steerers. ZS44/30 ZS \u2013 Zero Stack / Semi-Integrated / Internal ZS56/30: 56mm internal bottom diameter and 1 1/8' steerers. ZS56/30 ZS \u2013 Zero Stack / Semi-Integrated / Internal ZS56/40: 56mm internal bottom diameter and 1.5/tapered steerers. \u200B ZS56/40 ZS \u2013 Zero Stack / Semi-Integrated / Internal * We're Australia's #1 retailer of MTB parts, clothing and accessories! Orders ship next business day. Note orders may incur NZ customs duty or tax - see whatsmyduty.org.nz.
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  • NZPost$16.50
  • Store does not allow pick-ups
  • Store location: Australia

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