PRO Sealed Cartridge Headset Bottom Assembly

From $39.95
$65.00
SAVE $25.05 (39%)
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Available options

PRO Sealed Cartridge Headset Bottom Assembly - EC34/30
EC34/30
$50.00
$39.95
Sorry we only have 1 available to buy. Please reduce your quantity.
NOTE: You have selected more quantity than we have immediately available. Your order will ship in -1 weeks. If you would like us to ship the in stock items now - please reduce your quantity for this item to 1 .
NOTE: If you have other items in your order which you want shipped immediately, please place a separate order.
PRO Sealed Cartridge Headset Bottom Assembly - IS41/30
IS41/30
$50.00
$39.95
Sorry we only have 1 available to buy. Please reduce your quantity.
NOTE: You have selected more quantity than we have immediately available. Your order will ship in -1 weeks. If you would like us to ship the in stock items now - please reduce your quantity for this item to 1 .
NOTE: If you have other items in your order which you want shipped immediately, please place a separate order.
PRO Sealed Cartridge Headset Bottom Assembly - IS52/40
IS52/40
$55.00
$42.95
Sorry we only have 1 available to buy. Please reduce your quantity.
NOTE: You have selected more quantity than we have immediately available. Your order will ship in -1 weeks. If you would like us to ship the in stock items now - please reduce your quantity for this item to 1 .
NOTE: If you have other items in your order which you want shipped immediately, please place a separate order.
PRO Sealed Cartridge Headset Bottom Assembly - ZS44/30
ZS44/30
$50.00
$39.95
Sorry we only have 1 available to buy. Please reduce your quantity.
NOTE: You have selected more quantity than we have immediately available. Your order will ship in -1 weeks. If you would like us to ship the in stock items now - please reduce your quantity for this item to 1 .
NOTE: If you have other items in your order which you want shipped immediately, please place a separate order.
PRO Sealed Cartridge Headset Bottom Assembly - ZS56/30
ZS56/30
$65.00
$49.95
Sorry we only have 6 available to buy. Please reduce your quantity.
NOTE: You have selected more quantity than we have immediately available. Your order will ship in -1 weeks. If you would like us to ship the in stock items now - please reduce your quantity for this item to 6 .
NOTE: If you have other items in your order which you want shipped immediately, please place a separate order.
PRO Sealed Cartridge Headset Bottom Assembly - ZS56/40
ZS56/40
$65.00
$49.95
Sorry we only have 1 available to buy. Please reduce your quantity.
NOTE: You have selected more quantity than we have immediately available. Your order will ship in -1 weeks. If you would like us to ship the in stock items now - please reduce your quantity for this item to 1 .
NOTE: If you have other items in your order which you want shipped immediately, please place a separate order.

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Ships from our Melbourne Warehouse

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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 – Integrated or Drop Fit

ZS44/30:  For frames with 44mm internal bottom diameter and 1 1/8" steerers. 

  • ZS44/30
  • ZS – Zero Stack / Semi-Integrated / Internal

ZS56/30: 56mm internal bottom diameter and 1 1/8" steerers. 

  • ZS56/30
  • ZS – Zero Stack / Semi-Integrated / Internal
ZS56/40: 56mm internal bottom diameter and 1.5/tapered steerers. 
  • ZS56/40
  • ZS – Zero Stack / Semi-Integrated / Internal

 

 

To purchase a top assembly, Click here. 

To determine which headset you need, Click here.

 

(PRSLDHSBTM)

SKU PRSLDHSBTM
Brand PRO