Pitlock Ahead Locking Topcap

(9 customer reviews)


Keep your headset secure with the unmatched security of Pitlock. For help measuring your bike for Pitlocks, please see our measurement guide.

This set is available in your choice of silver or black, and comes in three sizes: 1″, 1-1/8″ (standard), and 1-1/4″. The product comes complete with everything needed for installation, and up to two keys.

See below for additional product and sizing specifications.

If you have an existing set you need to match, add your keycode here:

SKU: P09S000 Categories: ,


If your bike has a threadless steerer, your fork can be removed from the stem with only an allen wrench. Pitlock’s locking ahead set is specifically designed to make your fork safe and secure. As an added bonus, it looks great!

Available in your choice of silver or black, and in three sizes: 1″, 1-1/8″ and 1-1/4″. Measurement should be taken from the outside diameter of the steerer tube. Please measure carefully; 1-1/8″ is the standard size, and 1-1/4″ is rare.

Size specifications:

  • Full M6 bolt length: 40 mm
  • Length without head: 33 mm
  • Thread length: 27 mm
  • Thread size: M6
  • Bolt diameter: 6 mm

Please note that this item includes an M6 security bolt. If you do not need the bolt, please order only the topcap instead.

This product is not suitable for carbon fiber forks.

Additional information




Black, Silver



9 reviews for Pitlock Ahead Locking Topcap

  1. Andy Leonard (verified owner)

    Great help and great service!

  2. William (verified owner)

  3. Anonymous (verified owner)

  4. Gilbert Mina (verified owner)

  5. Martin Bailey (verified owner)

  6. Anonymous (verified owner)

  7. Anonymous (verified owner)

    Works as expected. Seems good quality.

  8. Anonymous (verified owner)

  9. Curtis (verified owner)

    Haven’t had the chance to use it yet–as with the skewer, I haven’t yet purchased the GreenSpeed Anura it will go on. Precisely made, and I like having the keys matched.

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