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Questions and answers about sports

1 inch threadless headset with hollow cap for cable routing

5 min read

Asked by: Aaron Garrett

What is a no thread headset?

Unlike a threaded headset, a threadless headset does not have a threaded top headset race or use a threaded steerer tube. Instead the steerer tube extends from the fork all the way through the head tube and above the headset, and is held in place by the stem clamped on top.

How do you fix a loose threadless headset?

Quote from video: So what you need to do is go ahead and place a spacer about that thick I think it's about 2.5. And thickness. That's gonna create more.

What is a threadless fork?

A “threadless” stem refers to a system where a fork with a non-threaded steerer tube extends through the head tube. A stem (A) then clamps around the outside of the steerer tube along with spacers (B) if necessary. Finally, a top cap (C) keeps everything in place and acts as a headset adjustment.

Who invented the threadless headset?

The tale of the first threadless headset



A 20-something kid named John Rader walked through the pits, showing his invention–a completely new headset design–to anyone who’d have a look.

Can you use a threadless headset on threaded forks?

Instead, it clamps onto the outside of the fork’s steerer tube. This type of headset is very popular and is used on most modern bikes. However, you can also use a threadless headset on a threaded fork. To do this, you’ll need to use a special adapter that’s available at most bike shops.

How do I know what type of headset I have?

The identifier starts by describing the headset type with a two letter code – ‘EC’ stands for external cup; ‘ZS’ for zero-stack/ internal headset; and ‘IS’ for integrated headset. The number following the headset type denotes the head tube bore diameter (or bearing/cup outer diameter).

How tight should Threadless headphones be?

Make sure it’s not too tight



The bars should move freely with no sticking, binding or resistance on any kind. If the bar doesn’t rotate freely (as here where the steering is catching), then back off the preload tension until it moves freely without bearing play.

How tight should stem cap be?

A god rule of thumb is to tighten your headset cap bolt until it is causing some friction with steering and then back it off until it’s tight enough to keep the stack neatly in place. This is typically 1/8th to 1/4 of turn.

How do you install a threadless headset?

Quote from video: The correct orientation carefully insert the fork assembly into the frame. Slide the upper bearing over the steerer tube and into the upper Cup. Again noting the correct orientation.

Do you need a spacer between headset and stem?

There is no reason to have any problem due to no spacers under the stem. I rode two different bikes that way over four seasons. You see pictures of pro bikes setup that way all the time. It is wise, but not absolutely necessary to have a 2.5-5mm spacer on top of the stem.

How does a threadless stem work?

Quote from video: They will also have two two six bolts securing the faceplate. And in some cases they hook on with one side and bolt on with the other. Stems come in different steer tube and handlebar sizes.

What do headset spacers do?

Put simply, headset spacers enable you to easily adjust the height of your handlebars, which is an essential element of bike fit for BMX, MTB and road riders. In the particular case of the latter (road cycling), the correct bar height is key for comfort and performance.

Can I replace quill stem with Threadless?

Quote from video: As easily with its with a threaded stem. What you need is a Threadless stem adapter.

Can you use a quill stem on a threadless fork?

The most common threadless conversions use a simple pipe with a quill wedge to lock in place of an existing quill stem. Then your stem clamps to that. The issue with these is that you retain the same threaded headset and simply introduce additional ways for things to go wrong.

How do you install a threadless fork?

Quote from video: And top bearing out slide the fork out from underneath the frame pull the bearings from the fork then you're going to want to remove the crown brace from the old Fork I'd recommend.

What is threaded vs headset?

WHAT IS A THREADED HEADSET? A threaded headset screws onto corresponding threads on the fork. There are two types of headset, threadless and threaded. The fork, however, is the key to both designs. A threadless headset works with a fork that lacks threads on the steerer.

How do you remove a threaded headset?

Quote from video: Now to remove the crown race which we'll do with a crown race puller.

How does Chris King GripLock work?

Chris King’s GripLock™ headset retention device uses an isolated wedge system to separate headset bearing adjustment from steerer tube location thus eliminating loose headsets on long travel mountain bikes while simultaneously removing any chance of headset inflicted fatigue on the lightweight carbon steerer tubes

How does a telephone headset work?

The amplifier plugs into the phone jack where your telephone handset (receiver) currently plugs in. Your handset then plugs into the amplifier so when the amplifier is on, your headset is active. When the amplifier is off, your handset (receiver) is active.

Can you use a headset with a landline phone?

Yes, that’s correct. If you have a Bluetooth-enabled desk phone or adapter, you can use a Bluetooth headset with your landline and reap all the benefits of Bluetooth technology with your office desk phone, or even your home phone.

How do you connect a wired headset to a landline?

How to Connect a Corded Phone to a Headset

  1. Switch your corded phone off. …
  2. Disconnect the cord that runs from your wall to your corded phone.
  3. Unplug the pickup receiver from your corded phone. …
  4. Plug the headset into the receiver jack. …
  5. Plug the cord back into the wall and then back into the base of the phone.