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Product image 1ISO B And SD Front Axles
Product image 2ISO B And SD Front Axles

Axle conversion kits are required for converting your current hub to be used on various other axle platforms.

  • Fits Chris King ISO B (SN 841), ISO SD (SN 151), Uni Disc (SN 810, 813) front hubs
  • Not compatible with ISO-LD, Lefty, or ISO-AB
  • Non QR axles require an adjusting clamp for installation
    • If converting from QR to TA, you will also need a Low Profile Adjusting Clamp
  • PHB587 / PHB587B 110mm x 15mm (Boost)
  • PHB324 / PHB324B 100mm x 15mm
  • PHB304 / PHB304B 100mm x 9mm QR
  • PHB783 / PHB783B 100mm x 12mm
  • PHB784 QR insert for 100mm x 12mm axle

Product Specifications

Axle conversion kits are required for converting your current hub to be used on various other axle platforms.

  • Fits Chris King ISO B (SN 841), ISO SD (SN 151), Uni Disc (SN 810, 813) front hubs
  • Not compatible with ISO-LD, Lefty, or ISO-AB
  • Non QR axles require an adjusting clamp for installation
    • If converting from QR to TA, you will also need a Low Profile Adjusting Clamp
  • PHB587 / PHB587B 110mm x 15mm (Boost)
  • PHB324 / PHB324B 100mm x 15mm
  • PHB304 / PHB304B 100mm x 9mm QR
  • PHB783 / PHB783B 100mm x 12mm
  • PHB784 QR insert for 100mm x 12mm axle
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-Chris King Precision Components

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