Answers.Body: <p>LEGO and others sometimes calls those pieces <a href="https://brickset.com/parts/448826/bearing-element-2x2-single" rel="noreferrer">a "bearing element"</a>. This term however <a href="https://brickset.com/parts/4211778/bearing-element-3x6" rel="noreferrer">is not limited to just that axle</a>.</p>
  
  <p>LEGO's replacement parts service calls the holes they go into "HOLE Ø11" (possibly read "Hole Diameter 11"):</p>
  
  <p><a href="https://i.sstatic.net/GAvCgm.png" rel="noreferrer"><img src="https://i.sstatic.net/GAvCgm.png" alt="HOLE Ø11"></a></p>
  
  <p>The width of the axle is roughly equivalent to the width of a "bar", like <a href="https://www.bricklink.com/v2/catalog/catalogitem.page?P=30374#T=C" rel="noreferrer">the 30374 piece</a> used for Lightsabers as such.</p>
  
  <p>None of these names are particularly satisfactory, but I'm not aware of any better names.</p>
  
Answers.ContentLicense: CC BY-SA 3.0
Answers.CreationDate: 2017-10-05T22:09:37.297Z
Answers.Text: Thanks. Is "Ø" a way of writing zero, or does it mean something else?
Answers.UserDisplayName: EJ Mak
Answers.ContentLicense: CC BY-SA 3.0
Answers.CreationDate: 2017-10-05T22:37:55.290Z
Answers.Text: See https://bricks.stackexchange.com/questions/8060/%C3%98-in-lego-part-names?rq=1 for an explanation on the diameter symbol.
Answers.UserDisplayName: Phil B.
Answers.ContentLicense: CC BY-SA 3.0
Answers.CreationDate: 2017-10-06T14:50:54.530Z
Answers.Text: And is "W" an abbreviation for the word "with?"
Answers.UserDisplayName: EJ Mak
Answers.ContentLicense: CC BY-SA 3.0
Answers.CreationDate: 2017-10-06T15:44:28.543Z
Answers.Text: @EJMak I assume so, yes.
Answers.UserDisplayName: Alexander O'Mara
Answers.ContentLicense: CC BY-SA 3.0
Answers.CreationDate: 2017-10-05T22:05:25.033Z
Answers.LastActivityDate: 2017-10-05T22:15:38.103Z
Answers.LastEditDate: 2017-10-05T22:15:38.103Z
Answers.UserDisplayName: Alexander O'Mara
Body: <p>I see that there are at least three different types of axles that can be used with LEGO wheels. I can name the first two — <em>Technic axle</em> and <em>Technic pin</em> — but I cannot name the third, which is like a Technic pin, but smaller.</p>
  
  <p>Note that I've only seen it integrated into a larger part, such as a brick or plate, as shown in the image. I see that BrinkLink sometimes refers to parts like this as having "wheels holder" pins, but that seems to be a term that could apply to the first two types of axles as well.</p>
  
  <p>Does a common and more precise name exist for this type of pin? </p>
  
  <p><a href="https://i.sstatic.net/lOMt9.jpg" rel="nofollow noreferrer"><img src="https://i.sstatic.net/lOMt9.jpg" alt="Image of Lego element from brickset.com"></a></p>
  
Tags: <piece-information><terminology><wheel>
Title: What is the name of the small pins that are used with small wheels / rims?
UserDisplayName: EJ Mak
ThreadText: # What is the name of the small pins that are used with small wheels / rims?
  
  (Asked by: username_0 on 2017-10-05)
  
  I see that there are at least three different types of axles that can be used with LEGO wheels. I can name the first two — *Technic axle* and *Technic pin* — but I cannot name the third, which is like a Technic pin, but smaller.
  
  Note that I've only seen it integrated into a larger part, such as a brick or plate, as shown in the image. I see that BrinkLink sometimes refers to parts like this as having "wheels holder" pins, but that seems to be a term that could apply to the first two types of axles as well.
  
  Does a common and more precise name exist for this type of pin?
  
  [![Image of Lego element from brickset.com](https://i.sstatic.net/lOMt9.jpg)](https://i.sstatic.net/lOMt9.jpg)
  
  **Tags:** piece-information, terminology, wheel
  
  
  ---
  
  ## 1 answers
  
  ### Answer by username_1 on 2017-10-05. Score: 6 | Accepted answer
  
  LEGO and others sometimes calls those pieces [a "bearing element"](https://brickset.com/parts/448826/bearing-element-2x2-single). This term however [is not limited to just that axle](https://brickset.com/parts/4211778/bearing-element-3x6).
  
  LEGO's replacement parts service calls the holes they go into "HOLE Ø11" (possibly read "Hole Diameter 11"):
  
  [![HOLE Ø11](https://i.sstatic.net/GAvCgm.png)](https://i.sstatic.net/GAvCgm.png)
  
  The width of the axle is roughly equivalent to the width of a "bar", like [the 30374 piece](https://www.bricklink.com/v2/catalog/catalogitem.page?P=30374#T=C) used for Lightsabers as such.
  
  None of these names are particularly satisfactory, but I'm not aware of any better names.
  
  > **Comments:**
  > **username_0**: Thanks. Is "Ø" a way of writing zero, or does it mean something else?  
  > **username_2**: See https://bricks.stackexchange.com/questions/8060/%C3%98-in-lego-part-names?rq=1 for an explanation on the diameter symbol.  
  > **username_0**: And is "W" an abbreviation for the word "with?"  
  > **username_1**: @username_0 I assume so, yes.  
  
  ---
  
  