Beware of fake websites - we sell only through authorized retailers and chrisking.com

A bolt-on alternative to our QR axle.

  • Fits a 135x10mm QR or Singlespeed (SSP) one-piece axles on Chris King ISO Rear Hubs (not compatible with 150mm, 157mm Hubs)
  • Allows you to run FunBolts™ instead of a QR Skewer
  • FunBolts™ are 12mm threaded into the axle, with a non threaded 10mm portion. This means that they cannot be unthreaded from the hub with the hub still in the dropout. Doing so can damage your axle or the bolt
  • PHB507-10 for the rear, comes in an assembled pair, includes o-rings and thrust washers
  • PHB22 is for a replacement single aluminum cup

Product Specifications

A bolt-on alternative to our QR axle.

  • Fits a 135x10mm QR or Singlespeed (SSP) one-piece axles on Chris King ISO Rear Hubs (not compatible with 150mm, 157mm Hubs)
  • Allows you to run FunBolts™ instead of a QR Skewer
  • FunBolts™ are 12mm threaded into the axle, with a non threaded 10mm portion. This means that they cannot be unthreaded from the hub with the hub still in the dropout. Doing so can damage your axle or the bolt
  • PHB507-10 for the rear, comes in an assembled pair, includes o-rings and thrust washers
  • PHB22 is for a replacement single aluminum cup
Close (esc)

Let's keep in touch

Join our colony to hear about events, new product, get exclusive discounts, and more!


-Chris King Precision Components

Age verification

By clicking enter you are verifying that you are old enough to consume alcohol.

Shopping Cart

Your cart is currently empty.
Shop now