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Name that part ...

Old 01-02-20, 02:11 PM
  #1  
francophile 
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Name that part ...

I should know what this caps off, but ... I'm coming up empty.




Last edited by francophile; 01-02-20 at 02:33 PM.
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Old 01-02-20, 02:27 PM
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jamesdak
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I'd say a quill stem
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Old 01-02-20, 02:33 PM
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I think it may be too small for that. I should've provided some size reference... Let me edit and re-add a pic with a reference up above.

It's barely bigger than a QR spring.
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Old 01-02-20, 02:36 PM
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Could be a cap for internal cable routing port.
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Old 01-02-20, 03:35 PM
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They REALLY look like quill stem caps for those cheap adjustable-angle aluminum quill stems common back in the early 2000s. Those stems had a sloping surface where the bolt was recessed into. Even the size seems right. I remember back when I worked at a bike shop, prying those out with screwdrivers to do adjustments on new bikes. They almost never got put back in.
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Old 01-02-20, 03:47 PM
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scarlson nailed it!
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Old 01-02-20, 04:02 PM
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Name that part!
I'm no good with pics. Can you hum a few bars?
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Old 01-02-20, 06:09 PM
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I think I have one of those stems on my relatively new acquired Jamis Exile MTB:

Untitled

It takes a fairly long 5.5mm hex wrench to get at that stem bolt; weird design.
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Old 01-02-20, 08:22 PM
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Originally Posted by francophile View Post
I think it may be too small for that. I should've provided some size reference... Let me edit and re-add a pic with a reference up above.

It's barely bigger than a QR spring.
Yeah I've have a few like that. Right now the Deda on the Serotta has a larger one of these as do the Icon Stems on my one Lemond and Y-Foil. One of the bikes I moved on this year had a little one like that, I just don't remember which.
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Old 01-02-20, 09:05 PM
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Originally Posted by jamesdak View Post
Yeah I've have a few like that. Right now the Deda on the Serotta has a larger one of these as do the Icon Stems on my one Lemond and Y-Foil. One of the bikes I moved on this year had a little one like that, I just don't remember which.
I don't doubt everyone replying here is correct, just having a hard time picturing it. I think the part in question using this bit probably came 6-8 years after my last working stint in a shop and that may be why I'm having a hard time placing it.

When I first saw it, I thought of the annoying caps Huret has on their Eco and Duopar rear mechs. The rounded shape and rubberiness with the smaller size was throwing me off - not even as big around as a Corn Nut, and why would you want pliable rubber covering a derailleur fixing bolt or pivot?

Anyway, I think you guys nailed it. Thanks everyone for chiming in.
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Old 01-02-20, 11:25 PM
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Here is my bomb around town bike with a riser stem. It has a stem cover like show above.

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Old 01-03-20, 02:23 AM
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Originally Posted by francophile View Post
I should know what this caps off, but ... I'm coming up empty.



Cover caps for triathlon or time trial brake levers similar to these?



Cheers

Last edited by Miele Man; 01-03-20 at 02:25 AM. Reason: added time trial
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